Top Definition
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."
by salvatore iii November 26, 2008
Someone who cannot be trusted and will often do things behind somebodies back, generally an absolute twat.
Guy 1: Is Joe still flirting with your girlfriend?
Guy 2: Yeah, he's such a slippery steve
by JTowers July 28, 2010
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