toothpick into a volcano

when a guy with a really small penis does a really loose girl.
guy one - have you ever thrown a toothpick into a volcano?
guy two - why yes, i did just last night.
by seagullxx October 16, 2007
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Mexican Volcano

When a man blows his load into his girlfriend/boyfriends asshole. Then his partner gets on their hands and knees with their ass in the air, and clenches their asshole, causing a burst or "volcano" of jizz to come shooting out.
Friend: Dude, I heard you and your bae did a Mexican Volcano last night.

Dude: Yeah bro. It left a pretty big mess!
by TheAcornnMan July 29, 2014
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Lazy Volcano

The act of masturbating while lying flat on your back, and being too lazy to get up to jizz or even use a sock to sop it up. You knowingly jizz all over yourself and go back to sleep.
"I was so hungover from operation blackout last night I just lazy volcanoed and passed right back out."
by RapeFactory420 July 10, 2009
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volcano nipples

Angry red sticky-outy nipples, much like a volcano.
I am not showering with Vlad again, dude has volcano nipples.
by Dee Buttersnapps January 07, 2011
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Volcano Box

A woman's vagina or other orifice that is infected with a STD or venereal disease. Including but not limited to; Herpes & gonorrhea.
Stay away from Marie, she has a volcano box.

I need to get tested, that girl might have had a volcano box.
by Webster Miami August 13, 2009
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Anal volcano

Pouring a can of Coke or Pepsi into someone's asshole and having them defecate an acidic shit solution back out.
Guy: "Trust me honey, it's ok, I was told diet soda creates a less painful anal volcano."
Girl: *muffles inaudible dialogue through a muzzle*
by fun4thewholefamily March 26, 2014
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Pneumonoultramicroscopic silico volcano coneosis (45 letters -- had to misspell it to fit in Urban Dictionary -- merge all of the words togeather); a lung disease caused by breathing in certain particles) is the longest word in any English-language dictionary. (It is also spelled -koniosis.)
On Feb. 23, 1935, the New York Herald-Tribune reported on page 3:

Pneumonoultramicroscopicsilico volcano-koniosis succeeded electrophotomicrographically as the longest word in the English language recognized by the National Puzzlers' League at the opening session of the organization's 103d semi-annual meeting held yesterday at the Hotel New Yorker.
The puzzlers explained that the forty-five-letter word is the name of a special form of silicosis caused by ultra-microscopic particles of siliceous volcanic dust.
His Pneumonoultramicroscopicsilico volcano koniosis made him cough-up black phlegm and blood.
by Aaron M Smith October 17, 2006
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