Hot Fuzz/Shaun Of The Dead
Withnail And I
The Evil Dead Trilogy
Trainspotting
Pulp Fiction
I don't normally watch comedy films.. I can't stand near enough everything all the above mentioned. All the teen based comedies are awful too. As far as TV comedies go though Jam, Today Is The Day, Black Books, The Peep Show, South Park, etc are all hella funny. ;>