Top Definition
Quite similar to the spanish ninja, this is an intense sexual position involving a man and another man and a dildo, the way it is performed is
first, you turn off all the lights in the room
second, you start banging the other male in the ass
third, you shove the dildo in his ass and pull out so he "does not know"... now this is where this and the Ninja differ... with the Cowboy you scream out "Brokeback Mountain" while continuing with the above procedure.
Man 1: Oh Peter can I get a Kneegrow Cowboy from you?
Man 2: Sure thing
by Heehee Ninja July 10, 2008
6 Words related to Kneegrow Cowboy

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