|1.||take a shot in the mouth|
to allow someone to ejaculate in your mouth
"If it'll get me a couple of hundred miles across the country, I'll take a shot in the mouth." (from "Jay and Silent Bob Strike Back")
|2.||take a shot in the mouth|
To act like, or say that you indeed like or love the band Nickelback in order to bed a hottie of the opposite sex.
Slim: "Yo Dan, you see that fine piece of ass over there with the Nickelback shirt on."
Dan: "Yeah, I'd take a shot in the mouth in order to give her the rectal thermometer.