I'll admit, there are several in this catagory for me, but the first the pops in my mind is Beetlejuice!
Back to the Future
****DO NOT PM ME FOR TICKETS****
"He's rude, arrogant, intimidating and lazy. He's the angriest man you'll ever meet. He's like a man with a fork in a world of soup."
Butch Cassidy and the Sundance Kid (Love, love, love this film and then some)
"Think you used enough dynamite there, Butch?"
Friday, Coming to America, Scarface (most of it at least)
wizard of oz
My Cousin Vinny
West Side Story
Dirty Dancing...saw it almost 50 times if not more!! Loved going to the movie theater from Skinny Cow and seeing it with my daughter!!!!
Definetely Back to the Future! Seen it a million times!