stamping or stabbing the taint of your girl friend with your member while trying to enter her
i was so drunk it took a couple of taint stamps before i was finally able to get it in.
by 110$croc June 21, 2008
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placeing the space between you ass and balls, known as the taint, on another person, leaving a faint oder or in some cases visable stains
"that bitch passed out after three beers so i taint stamped her forehead"
by cdjp84 October 3, 2011
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When a man smears poop all over the bottom of his nut sack and then proceeds to use it as a stamp and stamps another person's face. This can be used during sex or at parties to show dominance.
Sally doesn't know it, but she is getting a tainted stamp after school today.

The kids really got into the finger painting mood.....reminds me of back in the day when I used to get tainted stamps.
by AntMan December 14, 2013
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