You pick a movie title and put "in my pants" after it.
ex: Curious George in my pants
Lock Stock and TWO Smoking Barrels in my pants
and if that last one wasn't crass enough for you
For a Few Dollars More in my pants
Crusty Demons of Dirt III in my pants
Maybe this one is a bit beyond the pale!
The Epic Movie in my pants
Twilight in my pants
Definitely Maybe in my pants
Taken in my pants
Bill and Ted's Excellent Adventure in my pants! Woohoo!
Beat the Devil in my pants!
*giggles coming from Lolita Martinez*
Dinner for Adele in my pants! LOL