1. A homosexual male, who likes to take it in the anus. See boundy.

2. A homosexual male's anus.
Boundy is a penis holster, he stole my money!
I stuck my dick in Frank's loose penis holster last night.
by cash August 3, 2004
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A mouth that has had penises in it repeatedly.
Bitch dont yell at me! Shut your fucking COCK HOLSTER.

I have heard she has quite the COCK HOLSTER.
by MassiveJohn March 29, 2006
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When you use your crotch to hold anything.
Driver:Dude im driving and there aren't anymore cup holders!
Shotgun:Just use your crotch holster!
by Strat Daddy July 8, 2009
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A mouth that has sucked so much dick that it may as well be an undergarment holding it in place.
That bitch may as well take put a job as a cock holster.
by lil'emily May 10, 2017
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the mouth of either a male or a female whose express purpose is to suck male genitalia
Donald Trump's mouth is a cock holster for Vladimir Putin
by Smittyy31 May 9, 2017
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The act of sticking your penis in your partner's armpit for sexual gratification. To armpit-fuck.
I was tittie-fucking my girl and then went to the side for some shoulder-holster action.
by Emar Tino April 25, 2008
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