I dunno if these have been used yet...
Little Shop of Horrors in my pants
Seed of Chucky in my pants
Dazed and Confused in my pants
Bring It On in my pants
Monster in my pants
American Beauty in my pants
Pee Wee's Big Adventure in my pants
Lost Boys in my pants
Freddy Got Fingered in my pants
True Romance in my pants
Holes in my pants
Some Like it Hot in my pants
A Series of Unfortunate Events in my pants
8 Mile in my pants
How Stella Got Her Groove Back in my pants
Finding Neverland in my pants
Love Actually in my pants
8 Legged Freaks in my pants