Gastric Geyser

projectile vomiting with heavy chunks of food

I ate steak and had a terrible gastric geyser.

by OT Rant Volvagia November 27, 2011

Poo Geyser

Insert mentos and diet coke into butt hole and let the mixture spray in your face.

My face looks slightly tanner due to the Poo geyser I received last night.

by Dirty Dawgz January 10, 2012

bone geyser

the act of urinating with an erection

With a raging boner and a full bladder, the king had no choice but to do a handstand for his bone geyser

by purple head August 10, 2015

Rhino Geyser

When your getting head, and you cum while being deep throated, and she doesn't expect it and your cum squirts out her nostril.

I gave you old step mom a Rhino Geyser last night. Here's the video to prove it.

by zerofuks11 October 5, 2016

Sideways Geyser

When you're drinking a liquid, someone tells a hilarious joke and you spit out all of the said liquid.

Timmy: Why doesn't Mexico have an Olympic team?
Joey: I don't know Timmy. Why?

*Joey proceeds to sip his water*
Timmy: Because everybody who can run, jump, and swim are already in the U.S.
Joey: BWAHAHAHAHA!!!....
*Water shoots everywhere*
The Next Day....
Timmy: Joey totally pulled a sideways geyser at the party yesterday!
Carl: No way!

by Original Defining November 30, 2016

blood geyser

The act of a woman squriting during sex while on their period.

My girl discovered she's a squirter when she hit me with a blood geyser last night

by Poetiq January 4, 2017

Merecat Geyser

When the head of a penis is rubbed in between the flaps, or labia majoras, of the vagina till orgasm, in which the penis will snap up facing away from the female and spray semen over her body.

"Did you fuck Stacy last night?"
"We only had a merecat geyser ".
"So you didn't get inside?"
"Exactly ".

by Arizona Concept June 9, 2016