1 definition by GIRL IN MT

When a girl is wet and the guy slips into the butthole...accidentally! Owwww...This is called the biG mUDDY sLIDE!
I had a guy accidentally slip into my butthole and I HATED it!!!!!!!!!!!!!! This is called the bIG mUDDY sLIDE!
by GIRL IN MT June 4, 2007
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