You guys might enjoy
Ebert's movie glossary.
Some examples I found there:
"Tell me where you are and I'll come and get you." Telltale line that finally makes obvious to everyone (except the hero) that the hero's trusted friend or supervisor has gone over to the bad guys.
'This just keeps getting better and better'
Line uttered for no reason other than that it makes a great button for the trailer ("Men in Black," "EDtv," "The Mummy").