What you say when you hear something from someone that you don't beleive. Something unthinkable is being explained, your response. Reciprocated more often than not with "I shit you not".
p1: Dude, you guys got to meet Samuel L Jackson? Your shitting me!
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.