Top Definition
A word derived from plumbing joker valves are in a toilet.

more common use is for the little known second sphincter located 6 inches inside the anus.
"He rammed it in me, right up to my jokervalve and it really hurt. but sort of a good hurt you know?"
by Jokermanlovesthehungryinch September 21, 2009
5 Words related to Jokervalve

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