swimming term: used for when a male dives off the blocks and his tail end coems down too late, making his nuts hit the water with such force that it makes a smashing sound
by Zach December 14, 2004
A term for an immature vulva, before the labia have developed. Term derives from the similar appearance of a little girl's pussy to an uncracked walnut.
"I'm a virgin! Don't split my little walnut!" "Too late. You're the main ingredient of this Waldorf salad I'm making."
by Ignominious Bob August 25, 2009