taint stamp 

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.

taint stamp by 110$croc June 23, 2008

taint stamp 

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"

taint stamp by cdjp84 October 3, 2011