1 definition by pcdkchar

Top Definition
Having sexual intercourse with a girl who has a very wide and stretched out vagina. The vagina is very cave-like due to its constant past use. If you are considered to be spelunking, then the girl is a whore, and you will most likely contract a sexually transmitted disease.
I only had to pay five dollars to go spelunking in your mom
by pcdkchar November 22, 2010

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