Pussy. When a girl's pussy has black labia minora (inner lips), they resemble the color and texture of part of a little neck clam. Add some pubic hair and you have a hairy clam.
Did she show you the hairy clam?
by ClamMeister February 07, 2009
an unshaven vulva
as I pulled off her underpants, I exposed her hairy clam
by John R December 03, 2003