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 09, 2017
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Noun: one that is the receptical for a cock, ie. a holster. This person can be male or female and can be any varity of orifices.
noun: Nate is a big Cock Holster

Adj: Snow job is a Cocky little Holster.
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A woman whose only redeeming quality is the ability to sexually gratify a male.
Diane is nothing but a cock holster.
by vicfan March 23, 2004
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