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2.
Refers to the ass of a sista with a large ass
Jenny gots herself a mad onion
by Blazman September 22, 2003
 
1.
The better days of the now known Futuremark.
Madonion was the best

OMG MADONION!@#@#!!11

I was an onion. ONIONS UNITE!
by alaskan_thunder August 14, 2004