Top Definition
The action of rolling around naked in the snow after chugging a fruitopia.
Dude, i was onching for like 5 hours last night. I can't feel my balls anymore.
by Oncher December 02, 2008
The act of rolling around in the snow naked, after chugging a red bull.
"Man lets go onching tonight, it just snowed"
"Yea im down, ill get the red bull"
by Michael Vered December 03, 2008
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