What's the funniest movie you've ever seen?

The new Pink Panther movie with Steve Martin and Kevin Kline.

Borat

Airplane!

Just Friends.

Probably Office Space

Blazing Saddles

"Scuze me while I whip this out".

Me Myself and Irene

Kung Pow: Enter the Fist.

And Monty Python and the quest for the Holy Grail.

Ace Ventura 2 When Nature Calls... Jim Carrey is hilarious!

Knocked Up!!

That movie is HILARIOUS!!!

Tie between Airplane and Office Space

Soooo many. But I recently saw Superbad and couldn't stop laughing the entire time.

Meet the Parents

Kenny vs. Spenny

I know what your thinking..and you can just shut up.

Napoleon Dynamite

The "Silent Movie" by Mel Brooks.

It's a really old one, but it's "Skin Deep" with John Ritter. There are a couple scenes in that movie...I don't think I've ever laughed that hard! Especially the scene where the two guys fight with the lights out wearing glow in the dark condoms...OMG!!!

Knocked Up was great.

"Caddy Shack" is tied with "I'm gonna git you sucka"

Porky's
Porky's 2
home alone(the first one)
planes,trains,and automobiles
blazing saddles
dude! where's my car!!

dude! where's my car!!

i just saw Hot Rod and it was pretty funny but I don't know which movie is funniest

meet the fockers

dumb and dumber is in my top 5. it never gets old

Super Bad, Chuck and Larry, others...

Mystery Science Theater 3000: the Movie.

It was so funny that as soon as I was done watching it for the first time, I rewound the tape and watched it again...