Definitions by Ajjax

"Yo mama" 

An derisive term, equivalent to motherfucker but can be used in general company because it's not a swear word. Term often precedes a fight.

Thug #1: I will cut you up!
Thug #2 : "yo mama"."
Thug #1 swings and the fight is on.

"Yo mama" by Ajjax August 19, 2006

"yo mama" 

A term that originated in street diming which precedes an inventive insult to the other person's mother. Presumably because once upon a time, in the 'hood, Mothers were highly prized.

"Yo mama" so fat, she have to go downstairs sideways.

"yo mama" by Ajjax August 19, 2006