Slang term coined by Ian Carter, meaning "Heycunt, bring your fat snatch over here and wipe it on the floor, wipe up the puddle of seminal fluids, cunt"
When you fail at something in life (eg. failing an exam or not getting a job), go home and spend an hour just standing in the shower, propping yourself up against the wall with your eyes on your feet.
Caleb knew the only thing to do after he didnt get prefect was take a failure shower.