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An internet "1337" speak term for "Are you ok?".
Adam: j00k?
Jason: Yes I am. And yourself?
by Adam Williams November 01, 2005
Short version of asking how someone is...

j00k? >
j00 ok? >

you okay? >

how are you?
Adam: j00k?
Jason: Yeah Im okay. How are you?
by Jason Linsdell November 01, 2005