It's when you're engaged in anal sex and when she craps on your dick you flip her over and mushroom stamp her with the feces under her nose to resemble the hitler mustache.
Erica laughed for shitting on my dick so I gave it back to her with a hitler hairdo.
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 failureshower.