When a male or female goes down into an unknown area of a woman. Only good when women has shower but if she does not then it developes algi and can sometimes spred harmful substances to the next sexual partner, IT DOES NOT TASTE NICE!!!!!
Boy: Houston, we have a problem
Houston: What's your status?
Boy: I've dropped a 2p coin and I havn't heard it land yet
Houston: How much oxygen do you have left?
Boy: Not much, tell my wife I love her

e.g. Man, you're one dirty muff diver
e.g. Yo dude, wot's that stuff round your mouth? You bin muff diving?
by George Fayers January 11, 2007
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A man or woman who enjoys performing oral sex on a woman.
by Tammi November 26, 2003
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Someone who likes to lick clits and vaginas
Alex is such amuff diver, he cant seem to keep his face out of the bearded clam.
by charles heston October 25, 2004
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A HIGHLY TRAINED INDIVIDUAL WHO PUTS OUT FIRES UNDERWATER.

eg. Kim's Vagina caught fire while snorkeling in the Keys, and Bill, a certified MUFF DIVER, dove in quickly to put it out..
by BF Deal July 31, 2009
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(n) A lesbian. See also DOUCHEDRINKER, DYKE.
Rachel and Mary are a couple of muff-divers.
by J.M. Sweet February 23, 2004
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White guy: I'm a muff diver.
Black guy with disgusted look: Thas nasty.
by Labial Licker November 6, 2019
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