A fork of Rural Dictionary
verb: to mouth holster. a blow job. preferably a long blow job. derived from the old west vernacular. as in to have your weapon holstered with another's mouth. think of it this way: its a safe place to keep your wang.
a: "how do you know that chick?" b: "she mouth holstered me" a: "come again?" b: "she took me in with her mouth, you know, holstered me" a: "wha?" b: "dewd, she blew me" a: "nice"