When you cum on the upper lip of your partner, extract pubic hair from yourself and apply it to them.

when you're hungover as shit after a spending a night drunk as a skunk

When a man inserts his penis into the mouth of a large mouth bass then removes it and inserts it into a woman's mouth as a form of punishment. Billy is a reference to the big mouth Billy ornament.

When a man is in a corner and you twerk on his dick until he gets hard or leaves.

When having sex with a lady friend you insert you finger into her bum hole and wipe it under her nose (see dirty sanchez) Later on - During the love making - While french kissing your lady friend you wonder - "What is that smell ?"

The act of a redneck getting their penis chopped off by a horse, and liking it.