EddieMoney

Not I. If that were the case, my list would be massive.

mickey65

Bachelor Party (which to me is WAY more funny than The Hangover)
Bridesmaids
The Heat

I know there are others.

Lt Ripley

Yeah, Pyle would have needed some outside help to do that back then, and nobody would do that.

FantasticVSDoom

Bruce Dern dropping the brownies from The 'Burbs... I still laugh my ass off when I see it:

http://youtu.be/uHo6Q6j92y8

Timber

Busted a nut? That's a strange question for this forum. I guess Bad Wives staring Dyanna Lauren from back in the 90's did it for me.

hdnmickey

Spinal Tap
Princess Bride
Clerks
Chasing Amy
Office Space

BobO'Link

Oddly enough the time I recall most is a film I had *no* desire to see. My wife and I have radically differing tastes in movies which makes it hard for us to have a movie "date night." In 1984 she *really* wanted to see Rhinstone with Dolly Parton and Sylvester Stallone. Me... not at all but I went anyway because *she* wanted to see it. I'm sitting there thinking it's a really stupid movie (and just another very lame remake of Pygmalion) when Stallone and Parton go to the funeral home where he proceeds to show off his singing/playing ability. He's well into a *horrible* rendition of some classic blues/rock piece on the funeral home organ when we see there's a funeral going on "upstairs" and people are looking through the peephole at him. I don't think I've ever laughed so hard in a theater. Unfortunately, my initial expectations were met and it was otherwise a terrible film but that one scene made it mostly worthwhile.

GoldenJCJ

Man, I haven't seen The 'Burbs in probably 20 years. Bruce Dern was hilarious in that! I remember losing it when he accidentally ripped the wall paper in the Klopek's house.

Boondock Saint

Too many specific moments in these movies for me, so I'll just list the first movies that come to mind:

Fast Times at Ridgemont High
Super Troopers
Arsenic & Old Lace
Dazed and Confused
Bringing Up Baby
Harold and Kumar Goto White Castle
Christmas Vacation
Beerfest
Wet Hot American Summer
Anchorman
One Crazy Summer
Clerks
Mallrats
This Is Spinal Tap
Pee-Wee's Big Adventure

arminius

Pretty much all of Holy Grail and the first 40 minutes of Sleeper.

EddieMoney

See, for me, it'd be the first 140 minutes of Sleepers.

Mr. Cinema

Mr. Cinema

Bruce Dern is so awesome in that movie. I'm hoping this year Universal will finally bring it out on BD since it's the 25th anniversary.

Giles

the dog in shoes - in Bowfinger - my friend and I were in tears over laughing so hard.

raven56706

Not Another Teen Movie... such a random part but when the kids drive up the block from their home for a road trip...

GoldenJCJ

I didn't see it in the theater but I remember laughing my ass off when Eddie Murphy ran across the interstate.
"Heavenly God! Heavenly God! Heavenly God!"

dom56

First time seeing this in theater me and the whole audience were screaming laughing. Totally unexpected, thought it would be a big fight but Indy just pull out the gun and shot the guy and thinking "Fuck this shit."

inri222

TheKing

Borat was probably the hardest I ever laughed in a theater. Naked Gun was pretty high up there with "Sexual Assault with a concrete dildo."

Quack

Jackass.

brayzie

I forgot about Bowfinger. I thought it was going to be a not-so-funny comedy film but it turned out to be one of Eddie Murphy and Steve Martin's best films. "Did you know Tom Cruise had no idea he was in that vampire movie till two years later?"

SuckaMC

In Role Models, towards the end. When Jane Lynch said she knew a judge. She says: "I don't want to get too specific, but I used to suck his dick for drugs" . I laughed so hard, I almost blacked out. Fuzzy vision and all.

Lt Ripley

Rules of Attraction, Very Bad Things, and SLC Punk! had me roaring at times too. I need to go on a big comedy binge.

asianxcore

Like many others, there have been many times this has happened. Though, I remember laughing pretty damn hard during both Knocked Up & Ted.

IDrinkWater

I watched Reefer Madness in health class this year (the teacher who selected the film was being very tongue-in-cheek). When a couple under the influence of Marihuana drove over a man, who doesn't get hit to the floor, but rather plopped to the floor, I was laughing uncontrollably, then a pause, and more laughter, then me on the verge of crying realizing this propaganda was taken very seriously at a place in history and the information it presents had no real ground to support it yet also took the term "being high" very literally. Then I had to leave the class to see my therapist.

It's black propaganda. The stages of being high the film claims about (laughter to eventually murderous insanity) is actually the stages the viewer experiences while watching this film.