1 definition by Mr.Reno

When a female sets her genitals on a person's forehead; commonly performed after the receiver has passed out. This event is often photographed and used for future embarrassment.

Opposite of the mushroom print.
Yo....Christopha passed out and got hit with a clam stamp form Tammy. He's going to shit when we show him the pictures.
by Mr.Reno April 25, 2007
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