yellowstone geyser

when a girl is jerking you off and you cum in the air and the girl has to catch it in her mouth
Yeah me and mrs.carter were doing a Yellowstone geyser on Tuesday
by urgrandpais2hot4u November 25, 2009
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Yellowstone National Butt Geyser

The insertion of one's penis into an anus (male or female), followed by the expulsion of urine, rather than ejaculate, into the anal cavity.
She's going to know that she got a Yellowstone National Butt Geyser, once she realizes I had asparagus for dinner.
by bonerchugger6969 December 6, 2010
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