Sexual act in which the dude blows his load on the girls tits and proceeds to lick it up. Chest resembles mountaints covered in snow. Related to snowball
Mark gave Laura the avalanche and it really freaked her shit out.
by Adam March 22, 2005
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When you haven't been to parties for a while due to excessive studying/work.

Finally, you go to a party but it triggers the urge to party ALL THE TIME. Usually subsists after a week.
Student: Have to study hard. Gonna get that Ph.D.
Dude: You're going to Jenn's party tonight.
Student: OK. I suppose it won't kill me.

-1 week later-

Student: YEA PARTY AVALANCHE! I haven't been home for a week! This rounds on me!
by T. Polkinghorne July 24, 2009
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The result of a crappy band name maker, Penis Avalanche is the name of the dopest jazz band in the northern hemisphere. Playing hit singles such as "Trunk of the Pussy Spray" and "Fuck Mel Gibson" the band has quickly gained success as the number one band in Albion, Washington.
The band has since broken up, and reformed so often, that most of the members have no longer play an instrument and instead stare awkwardly at each other for the better part of 12 hours while watching hipster music videos on Youtube and making fun of their poor bass player.
"I can't wait to see the Penis Avalanche, I heard they've reformed again!"
by FuckMelGibson July 7, 2013
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When you blow a load in a girls mouth then she kisses you and you take the load back from her (snowball) then proceed to slowly let it drip out down her face.
It looked like an avalanche coming down the side of her face!
by The sicko April 10, 2012
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When a man stands behind a bald person on their knees and slowly cums on the top of their head so it will run down the persons face, like an avalanche runs down a mountain.
“Man, I want to Swiss Avalanche on Amber Rose so bad.”

Wife: “Honey, the results are back. I have Cancer. Now, we can finally Swiss Avalanche like we’ve always wanted to.”
by caseykills November 24, 2018
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The act of placing a generous amount of cocaine in one's asshole and snorting it as they fart in your face.
Bro 1: "Bro you look high af, what are you on?"
Bro 2: "Bro some hooker totally got me into avalanche blasting."
by canal treatment January 14, 2017
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