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8.
pathetic retort; unidentified insult aimed at precipient's mother when the speaker has the inability to think of a half-decent comeback.
Person number 1: "You are such a pansy."

Person number 2: "Yo mama!!"
by Mike Y. March 17, 2003
 
9.
someone of whom jokes are frequently made about.
yo mama so stupid, she took the Pepsi Challenge and chose Jif.
by Ryan J. January 29, 2005
 
10.
an insult about yomama
yomama is like a hockey player, changes her pads after 3 periods and that is what yo mama mean bitch
by roy damn mercer June 17, 2004
 
11.
A greeting used on one's mother.
"Yo, Mama!"
"What you say about my mama?"
"I was just saying 'Yo!' to my mama!"
by Arthur November 16, 2003
 
12.
A woman with issues
Yo mama's so fat, it took 500 pages just to fit her in Guiness
Yo mama's so fat, when she ran for congress, she represented 10 states
Yo mama's so fat, she auditioned for Terminator 3 and got the part as the human resistance
Yo mama's glases are so thick, she starts fires everytime she reads
Yo mama's teeth are so yellow, she has to wear sunglasses to look in the mirror
by Gary Destruction April 02, 2004
 
13.
A poor comback when nothing else comes to mind.
1.) At leats I have a mama not two dads and a chemistry set.
2.) Your moms like a postage stamp, I'll lick her stick her and send her away.
3.) Lets get off the subject of mama's cause I just got off yours.
4.) You keep my mom out of this I'll keep this out of your mom.
by Jay November 13, 2003
 
14.
a term used in jokes and used for no reason at all sometimes
Yo mama so stupid she put a quarter in a parking meter and said "where's my gumball?"
by real men wear pink April 25, 2006