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1 definition by good stufff

This happens when you're fucking a girl's ass with your fist, pull out and donkey punch her right in the face with the same hand you were fistfucking her ass with. The brown poopy streak you leave behind is the sloppy sylvester.
My wife pissed me off a couple weeks ago so I decided to give her the 'ol sloppy sylvester.
by good stufff February 24, 2009