1 definition by Jen and Matt

noun, verb

A kick to the sphincter; A kick to the ass that hits in the exact middle, contacting the sphincter. Usually achieved by an individual wearing a pair of women's heels.
"That was a hell of a sphinx; my asshole is killing me."

"I meant to kick him in the ass, but I sphinxed him by accident."

"Don't make me sphinx your ass."
by Jen and Matt June 15, 2008
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