1. To wear or use something.
2. Crack
3. A term used to describe a performance.
1. Why do you always rock that old ass kangol?
2. Look at all those fiends out there smoking that rock.
3. I havent danced in so long but I'll probably rock at the next jam.
by resk March 2, 2005
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A form of music that was once creative and meaningful, but slowly over the years has degraded to some teeny bopper shit for rich kids who are still stuck on the 2 week realation ship they had 3 months ago
Creed Default Nickelback who can tell he difference
by jimbly December 17, 2003
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1. You Rock
2. You rock my socks
3. Chris is a rock god
4. Lewis rocks!
by Cassie R. May 18, 2005
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Rock- Pink Floyd, the Rolling Stones, Dire Straits, The Who, Nirvana, Neil Young, The Clash, Iron Maiden, etc...

*NOTE*
Not to be confused with shit such as Nickelback, Avril Lavigne, My Chemical Romance and Panic at the Disco
Look at that stupid fucking Avril Lavigne she doesnt rock at all!
by Allen Fick July 2, 2007
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The word given when someone is leading the way
dude the captain is rocking !
by matt reinhard September 10, 2005
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Crack cocaine normally smoked but can be broken down and injected. It is also sold in a rock shape form but may be flat either
i think tyrone is a rock head
by gangster garrett September 8, 2006
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