A nickname reserved only for the best specimen of the male species, can also be made into the adjective skampetastic to describe the most enjoyable of experiences
"Last night Jackie got her v card stamped, BY ME! Sorry to hear your sister is no longer a virgin bro. Are we still friends? Can I still bang your sister?"
When the male ejaculates on a woman's chest and presses his pubic hair on the ejaculant and creates a stamp mark on the woman's head with the jizz as ink and the pubes as a stamp.