To temporarily remove one's foreskin, such that one may engage in dick-to-dick combat with their genitals, without damaging their precious foreskin.
Friend 1: Yo bruh, you wanna sword fight?
Friend 2: Aye bruh, lemme de-sheath first
by Dr Wizard January 13, 2018
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When you share the same sex partner as someone you know, such as a friend or acquaintance. While sheath typically refers to a woman’s vagina, this term may be used by either men or women as long as the criterion is met.
Example 1
Man 1: “Hey, you fucked that girl over there?”
Man 2: “Yeah.”

Man 1: “Bro, me too! You’re my sheath buddy!”

Example 2
Girl: “I can’t believe he’s such a hoe. I must be sheath buddies with every bitch in this room!”
by SoliSlays April 8, 2020
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The act of "accidentally" rubbing your vagina up against another womans's vagina.
"Sure, I'll move in with you guys! But under one condition, You, me and Robert can have a threesone. Unless you're not comfortable with the act of crossing sheaths.. >;."
by lolwutRon January 6, 2009
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1. A derogatory term used to describe a woman of loose morals and a loose vagina.
That cock sheath just told me to go fuck myself! I'm a kill that bitch.
by Travis S November 9, 2005
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to insert your penis into a vagina or to put it back into your pants
I couldn't rightly sheathe the sword after I'd been handcuffed so the policeman gladly obliged.
by Schismrobo January 18, 2008
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any orafice used to temporarily house a penis. most often during sexual gratification.
"Her ruby red lips made a fine decoration for her dick sheath"
by JamesJames July 19, 2004
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