when you ejaculate on someones upper forehead and it rolls down their face like snow down a mountain
My Avalanche rolled down her face right into her mouth.
by Jason Brivens September 27, 2005
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
When a really fat man is getting a blow job, he holds up his fat gut, then drops it on her head and yells... \"AVALANCHE\"
Fat Joe avalanched that bitch last night!!
by whoknows65 April 26, 2005
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 18, 2010
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 08, 2007
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
Similar to the snowball, an avalanche is a sex act in which multiple men ejaculate into a person's mouth and that person then kisses another, forcing all of the semen into the receiving person's mouth.
That bukkake party was going great last night, until Rachel got up and avalanched Dave. Dave will never be the same again.
by Son of Stone November 02, 2013
When you have sex with a white woman at the top of a staircase, and when you finish, you push her down the stairs
Ohhh man, I heard Butch gave Cindy an avalanche, Thats why her legs are broken!
by Dizzle Master D October 04, 2005