1. When you're riding your bike down a hill at such speeds that when you peddle it seems as though your chain has fallen off.
me," That hill was off the chain logan!" Logan," Yea man, I was in top gear, and still couldn't peddle faster."
by FructoseDaddy June 15, 2011
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something that is really unique, amazing, unbelivable or, just down-right awesome
the concert last night was off the chain man

i saw joey do a 900 degree summersault of the divin board at the swimming pool, it was off the chain
by Stevie March 31, 2005
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A way stupid people who think they're hip describe an awesome event, such as a party or concert. Often used by crackheads or Asians who think they're down with black folk.
Crackhead/Asian: Yo nigga, that party last night wuz off the chain, muthafucka!

Black dude/normal person: Shut the fuck up. (Beats his ass). Don't ever say that again.
by ohsosorry August 6, 2009
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Wild. Crazy.

Just as a dog would act if you let it off the chain.
by Reggie June 25, 2004
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Used when somthing is so good, it makes you want to slap yo momma!
Damn! This bud is off tha chain!
by Chrisp January 28, 2003
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awesome, really good, sweet, something that you really like
Me and my friends,"Should we rent ghost ship?"

Random black dude,"Dat movie's OFF DA CHAIN!"
by a blount April 22, 2004
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