Top Definition
the name of a small gang responsible for terroizing the city with there good looks and obnoxious charm. also for defacing streets and signs.
"that hoe just kissed my boyfied"
its okay shes from j block
"but.."
if you say anything she'll kick your @ss!!
"ohh. my bad"
damn straight
by J-breezyy August 05, 2008

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Derived from the US prison system, J-Block refers to the housing project building in Fairfield, CT. It is one of the highest crime center in the Northeast and is the home of many notorious Bridgeport and New Haven gang leaders. Drug infested and full of discouraged citizens, J-Block represents one of the aspects of society the media blocks from the public.
Oh shit, you're living in J-Block next year? What happened?
by Slim522 March 29, 2010

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The fan group for the tennis player James Blake
The J block is very unenthusiastic now that James Blake is losing.
by Koheran July 10, 2008

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The Urban Dictionary T-Shirt

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The act of being completely awesome and kicking some major ars while defending something that stokes your passion.
Dude. You just totally J-blocked that guy. Daaaammmn hes gunna feel that one in the morning.
by jblizzle October 17, 2009

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what ever you want it to be.
wat up j block or where did you get those j blocks.
by j block October 15, 2007

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt