(noun) commonly referred to as a: wide-open ass-crack, or a nerdy white trash gangbanging motherfucking teacher dick sucker.
(verb) To Steink: is to eat fecal matter. Or is to engorge one's mouth with a cock.
"That steinker really sucks up to his english teacher."

"Dude, he just steinked!"

"Yo, his just finished steinking his cock."
by Peter Tan December 10, 2008
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