geyser

the head of the penis is slipped into a hole of a loose woven afghan or quilt, and you masterbate, resulting in your come to shoot straight up.

I did a geyser watching porn Thursday, it was awesome.

by Madmike the Malevolent January 23, 2007

Geyser Plugging

Exactly like "prairie dogging" except for diahrrea. It is when you are holding in a violent case of the diahrrea shits, kind of like plugging a geyser.

Holy shit I am geyser plugging so badly right now, I need to get to a bathroom ASAP.

by Preston J. Smith October 05, 2014

premature geyser

When you bust a nut so high and powerful that it lands on your face and in your mouth

Bro ,I have such a bad taste in my mouth from that premature geyser I had yesterday.

by RyanLee1224 November 16, 2017

Cum Geyser

A cum geyser is when 2 guys are having sex and they both get close to finishing and they put their cock heads together so that when they cum, it shoots up like a geyser.

Tony, we need to clean the ceiling off from our cum geyser last night.

by Nevets Cool kiss October 15, 2008

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

Steam Geyser

A sex act which involves a man defecating into a woman's mouth, then lying on his back while the woman then vomits directly onto his penis, forming a mound-like structure, not unlike naturally occurring geysers, around the base of aforementioned penis. The man then manipulates his own prostate, causing him to spray ejaculate into the woman's eyes.

"Yeah, she totally let me try the steam geyser last night. It's a good thing she was German."

by Fawlawl December 15, 2011

gaping geyser

after having anal sex you take out your dick which leaves a gaping asshole. Next you put mentos and diet coke in her gaping hole making a fountain or GAPING GEYSER.

Man I made the old gaping geyser last night it was crazy.

by Zud May 18, 2008