When, while taking a dump, one allows a turd to partially leave the ass, and then pulls it back into and out of their asshole repeatedly. Also called "shit fucking".
Rob: "What took you so long in the bathroom?"
Steve: "I was giving myself a Slippery Steve."
Rob: "That's.... terrible."
Steve: "I was giving myself a Slippery Steve."
Rob: "That's.... terrible."
by salvatore iii December 15, 2008
Get the Slippery Stevemug. Someone who cannot be trusted and will often do things behind somebodies back, generally an absolute twat.
by JTowers July 28, 2010
Get the Slippery Stevemug.