volcano effect

A violent release of pent-up stress and/or frustration similar to an erupting volcano.
I have been on both sides of the volcano effect. It's not a pretty sight.
by Dan Boerger October 17, 2007
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Peruvian Volcano

Two cohorts, the inhalant and the flatulator, arrange themselves thusly:

+ The flatulator lies, belly down, with his butt cheeks spread.

+ The inhalant sprinkles a finely-fluffed dusting of cocaine around the flatulator's anus.

+ The inhalant gets his face really, really close to the butt hole.

At this point, the flatulator earns his namesake, causing a gas expulsion from his rectum. This gaseous outburst, much like a volcano, projects dust into the air. It is then the inhalants goal to breathe in as much cocaine-fart as possible.
Hello friends, you seem like the kind of people who like to fart and do cocaine! Can I interest you in taking a Peruvian Volcano?
by sir esteban July 03, 2012
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volcano ass

When you're asshole is like Mount St. Helens and is ready to explode like a volcano.
"Bro, you better pull over. I gots volcano ass and might splatter all over your nice upholstery"
by hughmonger October 31, 2003
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volcano shits

A bout of diarrhea that burns so bad that the hair on you asshole gets singed. When your asshole becomes a blowtorch.
I had a deadly bout of volcano shits last night.
by Gollum May 25, 2006
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atomic volcano

When a person is fucked so hard in the ass that they throw up.
Jeremy fucked me anal so hard last night that I had an Atomic Volcano; now my esophagus is really sore.
by Upinyourmommy December 08, 2010
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Alabama volcano

When a girl fills her mouth with liquor, gives a man a blowjob, and right as he's about to come lights his penis on fire with a lighter, giving the effect of a volcano as the semen leaves the flaming penis.
"This girl gave George an Alabama volcano and he couldn't walk straight for two weeks!"
by anongeo January 26, 2008
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Shit volcano

May be used to describe a person or object that spews out excesses of crap in verbal or physical form.

Word derives from a combination of the relatively harmless cuss shit and volcano; which until just recently wasn't considered quite as negative a word as it currently is (post Icelandic volcano ash cloud malarkey).
by Shitvafjökul July 02, 2010
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