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A person with a fetish for oral sex on women or the act of muff diving by one woman on another. Often used as an insult.
"You are such a crevice cruncher Alex"

"did you see that vidio of Sarah giving Marie a good creace crunching last was beautiful"

"do you want to participate in the act of crevice crumching tonight dear?"

by Nicole Downs November 11, 2007
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