Right before his wedding, an uptight guy is tricked into driving his grandfather, a lecherous former Army Lieutenant-Colonel, to Florida for spring break.

Plot Synopsis:
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Jason Kelly (Zac Efron) is at a funeral for his grandmother. He runs into his obnoxious cousin Nick (Adam Pally), who is high on drugs. Jason's grandfather Dick (Robert De Niro) requests that Jason drive him to Florida as a personal favor. Both Jason and his father David (Dermot Mulroney) don't like the idea, but Jason reluctantly agrees to help out his grieving grandpa.

Jason's fiancee Meredith (Julianne Hough) is obsessively planning over their wedding and is annoyed that Jason has to leave before their upcoming rehearsal dinner. She makes him take her ugly pink car to drive Dick to Florida. Jason goes to pick Dick up from his house, only to find the man masturbating to porn in his living room. Jason is horrified.

The two hit the road and stop at a diner. Jason talks about his job as a lawyer, which he makes sound boring. Dick leaves for a moment, and from a few tables down, a girl named Shadia (Zoey Deutch) spots Jason and recognizes him from a class they had. She approaches him to talk, but Jason is distracted and thinks she's a waitress there to collect the check. She takes his money and runs away with her friends Lenore (Aubrey Plaza) and Bradley (Jeffrey Bowyer-Chapman), but Jason catches her before they drive away. He recognizes Shadia instantly. Dick comes out and pretends to be a college professor, which attracts Lenore, as she really wants to have sex with a professor. Dick and Lenore agree to meet up in Daytona Beach, but Jason and Shadia are against it.

Jason takes Dick golfing. Dick spots two women and tries to make his move on them while pretending Jason is his disabled caddy. When Dick isn't looking, Jason tells the women how Dick isn't taking his wife's death well, prompting them to leave. Dick is upset and tells Jason that he wants to take this trip so he can have as much wild and unprotected sex as he can. Annoyed, Jason still agrees to go along with the trip.

On the road to Daytona, the two encounter a psychotic drug dealer/store owner named Tan Pam (Jason Mantzoukas). Meredith calls Jason with more wedding stuff and getting frustrated that Jason isn't there to help. Once the guys hit the beach, they run into Lenore, Shadia, and Bradley, along with their two doofus friends Cody (Jake Picking) and Brah (Michael Hudson). The two of them enter a flexing competition. Jason and Dick go up to compete as well, nearly winning until Jason is worried that his antics will go viral and cost him his job. Cody and Brah win by default. Dick takes a t-shirt gun and stuffs it with a water bottle, shooting Cody in the face and breaking his nose.

Jason and Dick later go to a party where Lenore and Shadia are. Jason inadvertently ends up smoking crack and doing a naked dance to "Macarena". Outside, Bradley is being harassed by some thugs. Dick beats the crap out of four of them before taking on the leader, Tyrone (Brandon Mychal Smith). Dick makes him apologize to Bradley.

Jason wakes up nude and sunburned on the beach with a toy strapped to his crotch, and a swastika of penises drawn on his head. Meredith calls again to bother him as a child approaches Jason to touch the toy. From a distance, the boy's father thinks Jason is molesting his son and he pushes him off as the cops show up. Dick goes to bail Jason out.

Jason and Dick visit Dick's old friend Stinky (Danny Glover), who lives in a retirement home. He only has a month to live and just wants to spend it there playing bingo. This makes Jason understand Dick's desire to enjoy whatever time he has left in life.

Throughout the rest of their trip, Jason gets closer to Shadia, pretending to be a photographer to get closer to her. This also makes him rethink his relationship with Meredith. Dick says she isn't right for Jason and that he'll be sleepwalking through the rest of his life if he marries her. Meanwhile, Dick ends up hanging out with Lenore, plus Tyrone and his gang after they become friendly. While the group is at a karaoke bar, Cody sneaks by them and stuffs a large bag of weed in Jason's coat and looks at Dick's drivers license. After Dick goes up, Jason and Shadia sing a song together.

Later, Cody reveals to Lenore and Shadia that Dick is not a professor, but a former Special Forces operative, a fact that no one in the family knew about. Cody also tells them about Jason's engagement, forcing him to tell the truth to Shadia, who is pissed at him. The cops then show up to arrest Jason for the weed.

Dick bails Jason out again and admits that he took the trip not mainly for himself, but for Jason to cut loose and not be so uptight like his dad since Dick was never really there for David. Angry, Jason returns to Atlanta to proceed with the wedding.

Jason goes to the rehearsal brunch with Meredith, where they sing the same song that he sang with Shadia. During the slideshow, Dick hacks the slides and puts pictures from the trip, which include Jason naked, making out with an old woman, and getting humped by a dog, along with a picture of Shadia. Jason finally tells Meredith he can't marry her, to which she responds that she slept with Nick while he was away. Jason happily leaves the brunch and runs into Dick outside, who tells him that Shadia is on a bus headed for a cruise. David follows the two and threatens to take Jason's job away from him if he bails on the engagement. David then gets tased by Pam, who joined the guys for some reason.

The guys drive their truck to find the bus with Shadia. The bus driver won't pull over because the cops are following them, and he thinks that Pam narced on him on drugs that Pam sold to him. Dick then speeds up and drives toward the bus until they are both forced to stop. Jason runs out and apologizes to Shadia for lying. He decides to join her on her trip since he's now single, jobless, and possibly wanted by the cops. He goes up to her and they kiss.

Dick returns home with David and apologizes to him for not being a better father. When Dick goes back to his place, he finds Lenore in there wearing his pants. She still wants to have sex with him despite him not being a professor. The two of them proceed to have sex with Dick using every old person cliche to keep Lenore excited.

A little bit after the credits start, we see Jason standing next to Shadia with a baby in his hands at a baptism. The baby is Dick's new son with Lenore, and Jason and Shadia are the boy's godparents. Dick then takes the baby's thumb and uses it to poke Jason's butt.

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Andrew Gold from United States
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Once the credits started rolling for Dirty Grandpa, the only thing I could say was, "Oh my god." It was shocking. From beginning to end the movie is shock humor, gross-out humor, crass, offensive, childish and stupid. But you know what? I laughed a lot. I'd be lying if I said I wasn't entertained throughout most of this movie. Sure, it follows a lot of road trip movie tropes and the perfunctory fight/make-up conflict near the end, but one thing about Dirty Grandpa is that it's consistent. Dirty joke after dirty joke; some of them hit, some of them miss, but they don't stop. Some of these things I never thought I'd hear come out of Robert De Niro's mouth, but the fact that it's him saying it makes it all the more funny. People will say this is a slap in the face to his legacy, but it really isn't. The Family was. Little Fockers was. This movie knows what it is - a lewd, politically incorrect road trip comedy, and it succeeds in that regard.

What surprised me most about Dirty Grandpa is the chemistry between Zac Efron and Robert De Niro. They have a great comedic rapport that actually feels authentic, which helps the more insane scenes retain some semblance of realism (as thin as it may be). The rest of the cast is enjoyable too, especially Aubrey Plaza as the overtly slutty college girl who continuously surprised me with every grotesque statement uttered from her mouth. Oddly enough, De Niro feels right at home here. It's as if his character from Meet the Parents went off the deep end and decided to go on a spring break road trip with Zac Efron. Seriously, his character is ex-special forces and everything. Efron also proves once again that he's a comedic force to be reckoned with playing the straight corporate man put in awkward social situations.

I don't know what people were expecting from Dirty Grandpa. Look at the title, look at the trailers. Are you really surprised? It was marketed as a gross-out comedy from day one, and guess what? It's gross. It's vile; it's degrading; it's shockingly inappropriate. Is it a good movie? Not a chance in hell. But the goal of a comedy is to make the viewer laugh, and Dirty Grandpa made me laugh. Hard.

Now, if you don't like offensive humor, you should stay the hell away from this. Just know what you're getting into before seeing Dirty Grandpa and you can definitely have some fun watching it.

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fauvederuiter from Amsterdam
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I usually don't feel compelled writing a review, but when reading most reviews already posted I needed to add the following: People complained about the movie being raunchy and containing too much dirty jokes, what else did you expect.. it literally has the word "dirty" in the title. It is not some French romantic love story, nor is it pretending to be. It is a funny road trip story filled with a lot of "fucks" and childish (hilarious) jokes which if you like these kind of movies will definitely keep you entertained until the end. And, ultimately it even has a small underlying message to teach you.

If you are looking for something more serious, then please don't go and then complain after, maybe try checking out something else.

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locutis123 from United States
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The wife and I absolutely loved this movie and can't wait for it to come out on bluray! Sure it has a crude sense of humor in it, but nowadays that is pretty common.Sure it is not Deniro's type of movie that he normally does, but I think he did a great job in playing his part. All my friends that went to see this absolutely loved the movie as well. Funny to me from the beginning to the end. Maybe a lot of the older crowd went to see this and found it too offensive or something? Not sure? I mean, it is not a movie that you want to watch with your kids, but I highly recommend this one if you are not easily offended and have a sense of humor like I do! Come on people! One star? Really? This movie was great!

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slaytech
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Congratulations to all the ones making this movie. It was absolutely a blast, and I laughed from start to finish.

Its a new take on a old road trip/trapped in a relationship plot that works really well with the actors. Funny, raw and a bit childish humor that Robert takes to the next level. The other cast was also pretty good, from the guy who sells beach towels for 50 dollars, sunscreen for 10 dollars and METH to the controlling soon too be wife. (See the movie, and you will get the line)

Every critic in the media is going to give this 1s and 2s. And that alone is a reason for us "regular joes" to realize this is an instant hit.

I hope to see Robert and Zac doing more work in the future. As I said before. This was the funniest movie in a long time.

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colin-johnson150 from United Kingdom
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What has happened to this guy? Biggest fan since Meanstreets, and have to say that these unfunny comedies are ruining a great legacy. Surely to have agreed to this he must be totally unaware of Bad Grandpa.

I wish him to go back to what he does like no other. Dear Hunter, Raging Bull, Goodfellas, Casino, King of Comedy, Cape Fear & so on.

I have to admit that I managed only thirty minutes of this dreary dreadfully unfunny business, every punchline has been done to death. Even the premise is old hat. De Niro's is in it, must be different right? Couldn't be more wrong, just formulae Benny Hill 'comedy' with added embarrassing dialogue.

Very sad to see, the best of De Niro is long gone. It doesn't have to end this pitiful way

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Bob Andrew from United States
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or at least my Top 3 of all time.

"Dirty grandpa" with Bobby De Niro.... I cannot recall in recent memory where I have seen such unbelievably bad writing. If you watch it, you will see from the gitgo how horrific it was.

The humor was not even "stupid funny" ( which I like). It was just bizarrely stupid.

The Movie's attempt at gross humor or crude humor failed at every level.

The delivery of the jokes were totally disorganized , the timing and context of them were way off, and it was very forced and just all over the place, like a 12 year old boy going through puberty would write.

I cannot believe that De Niro would stake his incredible Rep on a movie like this.

A complete train wreck

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Michelle
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There have been quite a few disastrous films made recently and this is not one of them. I have not laughed this much in a very long time. Robert Deniro and Zac Efron are two of my favorite actors and their chemistry in this film is fantastic. I don't know why this movie got so many bad reviews, people must have lost their sense of humor or are just plain prudes!!! I wasn't offended by anything, i actually thought from start to finish it was hilarious and is now one of my favorite films. Trust me, don't listen to the other critics and give this movie a shot, you wont regret it. I will definitely be recommending it to my friends!

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kialahernandez
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When I heard Dirty Grandpa I thought something similar to Bad Grandpa. I was not prepared for what I was about to witness. Robert De Niro's character was the complete opposite from the work we've seen from him before. He changes from the over protected parent in "Meet the Parents" to the wild old man without a filter. To younger viewers this movie might be exactly what they are looking for to get a good laugh.But to the more conservative viewers this movie might be too obscene due to the curse words and lewd remarks De Niro makes throughout the movie .On the other hand I found this movie entertaining,I like that De Niro took a step away from his normal roles and played something more risky. It was a shock but I enjoyed his performance.He perfectly depicted a dirty grandpa.

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zif ofoz from United States
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Dirty Grandpa (Dick Kelly) played by Robert De Niro is the 'also story' in this limp wet attempt at comedy. The plot is more about Jason Kelly, played by Zac Efron, tuning into his wild side while being well entrenched into the American lawyer corporate image lifestyle. So grandpa is mostly in the background being 'old age naughty' while Mr. Efron gets to run around 'butt nekkid' strung out on booze and drugs. (Do you think this little 'used tissue' of a flick was made just to show off Zac's fabo body?) YES!

The movie is unfunny start to finish. I've had better laughs visiting patients in the Alzheimer's wing in nursing homes!

We've seen this set-up so many times - college kids on break being drunk and partying 24-7! Dirty Grandpa wants to spread is old stale oats with young chicks now that he's a 'widower'. And the grandson or son acting the uptight straight forward role trying to keep the salacious & swaggering old man from misbehaving. The attempt here is completely lost in the sophomoric attempt at potty-mouth humor.

Forget this flick!

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Big CeeJack from United States
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I just got home from seeing this film in the theater. No bull crap intro, let's just dive in.

I can't help but feel like this movie is a painfully obvious ripoff of "Bad Grandpa" starring Johnny Knoxville (2013). A bad/dirty grandpa goes on a road trip with his grandson and the grandpa's antics and behavior get the two into several mishaps. The only major difference is that the grandson in "Dirty Grandpa" is in his middle-late 20's and Billy in "Bad Grandpa" is 8. I mean honestly, if the difference in the title of the film is one synonymous word and they were released less than three years apart, it has to be a blatant rip- off.

The humor of this "comedy" revolves solely around making crude jokes. Now don't get me wrong, if done correctly and with moderation, crude humor can be hilarious... But crude humor is both of the legs this movie is trying to stand on. I laughed at the first 5 minutes of Robert De Niro calling his grandson gay slurs and jamming his thumb up Zac Efron's ass, then after 15 minutes I was reduced to weak chuckles. Past the 30 minute mark I just stared at the screen with a blank expression. It's like the humor of this film is directed toward 17 year old movie goers going out for their first R rated movie.

The main motivation of De Niro's character and the main plot point of this movie is that his wife died of cancer, and in order to feel young again, he tries to have sex with the first young woman he can. The touching part of this plot is forgotten after the first 10 minutes of the movie, and the film becomes solely the grandpa trying to get laid. There is no deeper motivation behind the character.

De Niro did as well as he could with the part that was written for him. I was pleasantly surprised by Efron's performance; he truly is a fairly decent actor. Otherwise, the supporting cast is unremarkable at best. Aubrey Plaza in this movie painfully bad but I can't decide if it was her acting or the character written for her. There is a drug dealer character whose only purpose is to make jokes that he sells drugs. And for God's sake, there is a supporting character in this movie named Brah. No further identity for this guy than Brah.

While I think De Niro and Efron did as well as they could with their parts, their characters were too clichéd for me to take seriously. The movie revolves around crude humor where one lead character constantly harasses the other overly serious character. Their personalities are completely different and that causes conflict between them. Gee, never seen that in a movie before.

Overall, the movie is a sad excuse of a "comedy". Unless you are looking for a simple, thoughtless laugh that doesn't require straining a single fragile brain cell, don't bother wasting money to see this pathetic film.

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AKAs Titles:


Certifications:
Argentina:16 / Australia:MA15+ (2015) / Canada:14A (British Columbia) / Chile:18 / France:U (with warning) / Germany:12 / Hong Kong:III / Ireland:18 / Netherlands:12 / New Zealand:R16 / Philippines:R-16 / Portugal:M/14 / Singapore:M18 / South Korea:18 (2016) / Switzerland:16 / UK:15 / USA:R (certificate #50150)