One of the most obscene sexual acts known to man. Involves a snattle and a rake and it involves raking of the snattle in various patterns and or speeds.
It's a hand job pretty much, I dunno how else to say it. Snattlerakes are common among teenagers.
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.