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 night...it 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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When you tuck your penis between your legs, turn your back to the toilet ,and urinate.
Jordan: Dude, why is the toilet seat so wet?
Tristan: Oh sorry, I tried a Reverse Snake In The Crevice
Jordan: Clean it up!
by Cartah Hoffah April 14, 2015
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When you are fucking a girl in the ass with your penis, fucking her in the vagina with a dildo, and motorboating her breasts all at the same time.
My girlfriend and I did triple crevice penetration last night.
by dpelletier360 June 8, 2014
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liquid (often viscuous) excuded around the region from the scrotum to the rectum; especially prominent when much clothing is worn and sweaty tasks are performed.
When I wear all my snowboard gear, my weenie usually swims in a pond of crevice juice crack sap by the end of the day.
by Sandro 'Merecumbé' Trunz December 30, 2009
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The mixture of sweat oils and dirt making a buttery substance between your butt cheeks.
“I’ll want to put some of your crevice butter on a piece of toast and eat it
by Crevicebutter December 21, 2019
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When you slide your finger slowly down a persons ass crack.
Ava was crevice riding Sam last night a got a little shit under her finger nail.
by justinher April 25, 2016
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