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16.
I worked at a summer camp a few years ago and an inner city kid told me that this expression derives from the term off the hook. However is something is off the chain it is far more exciting and possibly even enchanting.
Jamal thought his rapping was off the Chain but monique and moesha thought he was wack!
by textfile232 January 05, 2006
 
1.
(1) (Adj.) a great deal of fun
(2) (Adj.) very attractive
(1) Wow Mike, this party has punch and cake and everything! It's really OFF THE CHAIN!
(2) That girl has a nice rack. She is OFF THE CHAIN.
by Smoove B. August 21, 2003
 
2.
Out of control, wild fun. Just like when your pitbull gets off the chain in the back yard and tears through the neighborhood.
I may be a 35-year-old white DJ from Maine, but this joint is off the chain!
by Dan_Maine December 12, 2005
 
3.
wild, raucous, or out of control. Originated from the onset of a dogfight, when the dogs are let "off the chain" and the event begins.
That shit last night over at Jamal's house was off the chain, money!
by KayCeeGee August 29, 2007
 
4.
Da bomb, really good, deliteful.
KFC's new buffet is OFF THE CHAIN.
by Bocephus November 27, 2003
 
5.
Something that is fantastic, awesome, and especially extreme can be said to be "off the chain".
"I can't believe Joe got with three chicks that night, that is off the chain!"
by Jackage September 28, 2006
 
6.
Wild; out of control

etym.: possibly derived from Fr. 'se déchaîner,' to burst out; to go wild; to arouse
"That set was off the chain, yo."
by lairdweller October 18, 2009
 
7.
cool as shit
dem rims is off the chians
by smokey January 09, 2004