A penis. The one shot refers to ejaculation
I told this chick to put her hands up and i shot her in the face with my one shot fun gun.
by LB5K June 22, 2006
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Any of a number of mixed-drinks using your partner's, your friend's, or your own genital fluids in its composition.
Is this a fun shot? It tastes a little off!
by The Helm February 08, 2012
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