My GOD, this is a tough one, there are so many. Here goes, with a few quotes for good measure:
Monty Python & the Holy Grail -
('We are the Knights who say...NI! NI! NI! NI!..)
The Naked Gun -
('Like a blind man at an orgy, I was going to have to feel my way through...')
Zoolander -
('I'm bulimic...' 'You can read minds?...')
A Fish Called Wanda -
('Don't call me stupid!...)
Liar, Liar -
('Here comes...THE CLAW!!!...)
National Lampoon's Animal House -
(TOGA!!...TOGA!!...TOGA!!)
National Lampoon's Loaded Weapon 1 -
('Give me a name!...' 'Weren't you parents supposed to do that?...)
Dumb & Dumber -
('Wanna hear the most annoying sound in the world?...*Screeches insanely*)
Airplane -
('Surely you can't be serious?' 'I am serious...and don't call me Shirley.'
Austin Powers:Goldmember -
('Can I paint his yoo-hoo GOLD?!' 'How about no...you crazy Dutch b*st*rd!...)
Snatch -
('Avi!!!' 'Shut up and sit down, you big, bald f**k!)
I know i'll think of more. *adopts Arnie voice* I'll be back!...