You pick a movie title and put "in my pants" after it.
ex: Curious George in my pants
Deep Impact in my pants
Just have to follow up on that one...
Armageddon in my pants
The Day That The Earth Stood Still in my pants
Without a Paddle in my pants.
Oooo, better one, because this one is true!
The Dark Knight in my pants! :)
Batman Forever in my pants, then. ( the Batman sequel with the best soundtrack, imho, though the Dark Knight is the best Batman movie ever)
The Dark Knight RISING in my pants! (Beat that!)
(=D no way but...)
Revenge of the Sith in my pants!
A Beautiful Mind in my pants...
Heat in my pants.