— Have you hit that yet, bro?
~ No, but I've been fiber fucking the shit out of her on my sister's couch.
~ No, but I've been fiber fucking the shit out of her on my sister's couch.
by zmiles November 28, 2007
The lube left in your ass from the anal sex/anal play the night before that helps ease out your first morning poop.
It's great when that first shit of the day is made easier by the Fuck Fiber left over from the butt plug you wore the night before.
by AmadeuS469 April 10, 2020