It's probably been played in these parts before. It's either funny or stupid depending on your viewpoint.

Anyone who can be bothered posts film titles with just one word from the title changed to the agreed swear word which can be made plural if grammar dictates. This continues until people get bored or grow up (whichever happens soonest).

I suggest the word be 'cock(s)' and proffer 'Desperately Seeking Cock' as the opening gambit.