A nigga so crusty, "ass" is a new type of measurement created to show how crusty the nigga is. The word "ass" (short for ass-load) represents the over-flowing amount of crust a nigga may possess. An infinite amount of excessive dank crust whopping in the veins of said nigga.
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.