Coating your testicles with ink, so that after you teabag someone, it leaves a marking of your balls. An extreme tea bag
Yesterday, when Brittaney was sleeping, i took some ink to my balls, and junk stamped her. She was quite displeased in the morning...
by Resilient Tapout September 19, 2009

When you take a shit, forget to wipe and sit on something while you're naked, leaving a butthole print.
by Pattydaddy69nice January 31, 2021

A tattoo across a woman's pelvic bone, above the vagina or twat.
Like a tramp stamp, but in the front, above the vagina instead of the butt.
Like a tramp stamp, but in the front, above the vagina instead of the butt.
Person A: "You know that girl over there? when she has a bikini on, you can TOTALLY see her twat stamp!"
Person B: "Don't you mean tramp stamp ?"
Person A: "No, she has one in the front, too!"
Person B: "Don't you mean tramp stamp ?"
Person A: "No, she has one in the front, too!"
by TheGaugeQueen April 23, 2014

War tactic that takes place at work, office usually, when a colleague comes up to another and stamps him/her with office stamp, such as DRAFT, VOID, COPY, etc., on a random body part (wrist, leg, face?) and casually walks away
by office stamping December 26, 2011

by Tha Dunk June 1, 2012

When you're doing anal with a girl and get done only to see that there is a brown liquid like substance on your dick which you then slap savagely across her forehead
I was porking Monica in her dump hole then I pulled out and sludge stamped her across her cock holster.
by Sludge Mushroom April 5, 2015

Elly: "I walked in on your parents doing it in the Jacuzzi!"
Devon: " Oh thats a nasty brain stamp!"
Devon: " Oh thats a nasty brain stamp!"
by Assilem January 5, 2009
