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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.
by Ajjax August 19, 2006
meaning: your mother
"yo mama" is on her way home
by Baptiste August 18, 2006
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.
by Ajjax August 19, 2006