2 definitions by 2004 b.

An expression for "ok" or "sounds good" without having to sound too out of place by saying iight, all right, etc.
Mark: I've got a lot of homework tonight, but I'm going skip it so we can go get something to eat later.
Kevin: J cool
by 2004 b. May 9, 2006
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To drop a comment, joke, etc. during conversation at the perfect time.
Jon Stewart can spot the landing like no other.
by 2004 b. May 8, 2006
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