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When one deffacates into a females mouth thus causing the female to gag from all the shit going down her throat. The shit sliding down the side of the mouth and, mixed with throw up gives it the effect as if though lava is flowing out of an erupted volcano.
When my girlfriend pissed me off I gave her a Mt. Saint Helen. She shut the fuck up real quick!!
by Spasa Jovanovich December 07, 2007
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May 20 Word of the Day
A cryptocurrency of little to no value, usually a late-comer to the Bitcoin craze, a copycat cryptocurrency.
There are so many shitcoins these days, just stick to the classics.
This new b1tc01n crypto is just another shitcoin.
by Tatsuman February 18, 2018
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2
When one ejaculates in a woman's mouth (not necessarily named "Helen"), then the woman proceeds to do a headstand while holding said cum in her mouth, then she forces a sneeze causing an eruption out the nostrils.
My lady was on the rag so instead of sex she gave me a Mt. Saint Helens which erupted with glory.
by legalbandit January 04, 2021
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