You ever hear of people who have some odd nickname and then you hear the story of how they got it. Here are some real life examples:

Ole’ one ball: We threw 5 balls at Hank. He got struck with a ball in the head. Hence the name ole one ball.

P-whip: Brian can’t get enough of Purple cool whip. Hence the name P-whip

Skid mark: Steve likes two things, the band skid row and Richard Marx, hence the name Skid mark.

Coward: Manard loves Cows. So we fused his name with it. Hence the name Coward.

Asshole: it seems like Roy has a hole in the middle of his ass. Hence the name Asshole. He is also a jerk.