Clearing the runway
Wiping your ass before taking a dump, clearing any debris that may obstruct the poop from coming out smoothly.
guy 1: Dude, arent you supposed to wipe AFTER you take a crap?
guy 2: Man, I'm clearing the runway. Last time there was so much lint and hair stuck up there, my crap came out like a play-dough french fry maker.
guy 2: Man, I'm clearing the runway. Last time there was so much lint and hair stuck up there, my crap came out like a play-dough french fry maker.
clear the runway
When Patrick Ewing (Sr.) and his sandpaper tongue go down on a 14-year-old white girl in preparation for acts to come later that evening.
Ewing: Slip dem pannies, cunnie. I'mza gonna clear the runway.
14-year-old white girl: Yes, sir.
14-year-old white girl: Yes, sir.
clear runway
An empty anal chamber whose pristine status allows the fart to exit with powerful resonance.
It startled you out of your sleep like that because I had a clear runway.