[Baz]

hmmmmmmm, this is tough. there are tons of really funny movies. i think i can shortlist it to -

Caddyshack
Naked Gun(s)
Me, Myself + Irene
Nothing to Lose
All the National Lampoon Vacations + Animal House!
Porkys
Happy Gilmore
F.A.R.T. the movie
UHF!!!! funny as fuck!

i`ll probably think of more later