Derived from the song "Fashion Killa" by A$AP Rocky. Assumed from the catch phrase "jiggy with it". You're on top of your shit whether it be fashion, music, etc.
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.