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2.
Jokes, usually bad, performed by third graders.
"Yo moma is like a bowling ball: Waxed, fingered, then thrown in the gutter"
by Teksta April 20, 2005
 
1.
a series of jokes that consist of saying " YO MOMA"and so on
hey john yo moma is so fat when she got hit by a bus she said "who threw that rock?"
by jake April 13, 2005