Definitions by .h.e.l.l.o.w.o.r.l.d.

jack

another meaning for cool

can be used describe how people look. This is a complement.

e.g.
dude 1: "hey man look at that girl"
dude 2: "i know she's jack"

e.g
girl 1: "look at those dudes shoes"
girl 2: "omg thats jack"

jack by .h.e.l.l.o.w.o.r.l.d. March 22, 2011