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.
Person 1: I just really like the new song by Fun.
Person 2: I have not heard it yet (than goes and listens to the song on YouTube)
The Next Day: Person 2: Have you heard that new song by FUN its one of my most favorite songs of all time.
Person 1: I just told you about that song yesterday. (Rolls Eyes) You are such a piggyback stamper.