1.) costly jewerly that is worn by members of a g unit, or else someone trying really hard.... normally this jewerly contains diamonds, and when a guy gets his ice on, one may call it getting "frosted". note: frosted does not mean white

2.) crystal meth... this really should be self explainatory

3.) frozen water, which is very helpfull when trying to chill beers, cause they taste better that way, and also when mixing frozen drinks
Two boys upon seeing another passed out with all his ice on
- he's all iced out.
- yea, let's get some
- no those diamonds are fake
- i didn't mean his necklace
by L.M.P January 17, 2006
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originally used to refer to the drug 4-Mar, often confused with methamphetamine in its smokable form (crystal meth.)

Although internationally, in countries such as australia specifically, methamphetamine is not refered to as crystal meth as in is in the US but is most commonly known throughout all communities, due to media coverage, as ICE.

therefore depending on location, the word ICE could refer to the rare drug 4-mar or it could refer to the smokable crystal form of methamphetamine.
"that chick is full on crack head, gets on the ice everyday"
by peewee-sanchez October 20, 2008
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1. A frozen form of water.

2. To feel like you are cold. ex. Ice Cold.

3. Something to scare Slavie.

4. A hazardous substance when used properly.

I walked a mile in the winter and felt like ice!

by R21Chum September 30, 2005
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v: to give someone the cold shoulder; ignore or act distantly toward someone
Hi, it's me. This is the fourth message I've left you in the past 20 minutes. Why do you have to ice me like this? Please call me back.
by slim415 August 17, 2009
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Shorthand for 'In-Car Entertainment'.

Example - Car stereo, sound system, DVD Player, built in console, any form of entertainment that can be installed into a car.
Check out the ICE in my car! It's totally sick!
by Allan Scott October 08, 2007
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