The act of "skeeting" on a girl's face, and then pushing her down the stairs.
Jimmy just gave Katrina an avalanche!
by Tyler Jones 11 April 25, 2008
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The act in which two white males, after performing simultaneous fellatio upon one another, engage in a passionate kiss to suffuse the collected seamen between the two oral cavities.
Billy and Kenny celebrated their 3 year anniversary with a night filled with passion only to finish with the sharing of an avalanche before drifting off to sleep in tender embrace.
by Hellooo Nurse! July 29, 2016
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The ability to flood city streets with crack/cocaine.
I can make it avalanche n I ain't talkin chevy trucks-jeezy
by Bigfacez July 19, 2010
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When you cum in a girls mouth, and kick her down the stairs while yelling "Avalanche"
Hence the wad of sticky white fluid on face, or in throat, going downhill! Avalanche!!!
by Scotty Diesel February 9, 2007
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When a man ejaculates on a woman's chest while she's sitting upright. The sperm slides down the chest like snow sliding off a mountain during an avalanche.
I was going to give her a pearl necklace, but she said her sheets were new. So I gave her an avalanche instead.
by Likquid July 25, 2010
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A vehicle from Chevrolet with a majority of features resembling that of a traditional truck.
I want a new 4X4 Avalanche.
by UrbanFoxKnight October 22, 2009
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(āv'ə-lānch') - NOUN

Any piece of staging that is still at the venue 6 months after the event.
"will somebody get this avalanche outta my way so I can set up the band gear?"
by Crowdsurfer February 7, 2010
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