A phrase used instead of "Kill yourself" which means to cover your room in blood. Used commonly in gaming for telling someone to kill himself without getting banned.
Player 1: Gg ez, thx for tutorial noobs
Player 2: Stfu nigga, go paint your room red
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.