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The act of placing drugs, alcohol, tobacco, or any other substance it ones taint region with the intent to conceal it from others.
Jerry: how am I gonna get this weed through security.

Seuss: just taint it

LaDarius: you have to hide your flask before you go in the game

Chase: that's right, I'll just taint it.
by PigBat June 30, 2013
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