When one person comes up behind somebody, surprises them, and punches them in the face. Otherwise known as a "Sucker Punch"
by ;)winkeyface(; March 05, 2011
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To be ready, on the edge. Usually associated with the military.
Stay frosty, they've been setting up ambushes on the roads four clicks ahead.
by BrownShoes August 05, 2003
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The act of being cooler than "cool." Superior to the word Swag.
Hey, did you see those two guys over there? They are keeping it frosty!
by Young-Ceezy October 19, 2011
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to be subtly sexy.
Jack is frosti, but only I notice it.
by KidPolarBear2333443 April 06, 2015
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Marijuana that possesses a large quantity of THC resin crystals on the outside of the buds.

Also used as a term among potheads as something cool or great.
Pothead 1: "Yeah dude, check this nug of OG I just picked up."

Pothead 2: "Daaaamn that shits frosty! Roll it up!"
by Smoker X December 26, 2010
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