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when ones bum dribble's
juice and poo
'i laughed so hard my bum dribbled'
'hes a weirdo his bum dribbles'
'lol eve you bumdribble'

by martin wright April 09, 2006
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Bum Dripple is formed from poo and sperm mixed together after a vicious or servere fucking in the bum.
Nathan Scott is able to drink 20 cups of his own Bum Dribble under 5 seconds
by Nathan Scott January 17, 2008
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