niggas be nigging means is when a person doing the most aka doing too much and being silly and goofy and stupid and dumb and being slow and ignorant and thick and naive.
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.