Definitions by thundercock Sr.

drop the fly 

the act of copulating with a girl too repulsive to consider removing extraneous articles of clothing, in which case one merely unzip's one's zipper to engage in intercourse

Man, i got really drunk at the party last night and ended up having to drop the fly on some whale. Probably should have brown bagged it...

drop the fly by thundercock Sr. January 2, 2013