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1. J Crew
A group of people (usually 3 or more) who are either involved in the act of or observing the construction of a joint.
"Hey J Crew, are we getting food after this?"

"J Crew, hurry up with that shit you're taking forever."

"Fuck that preppy-ass store, this is the only J Crew I care about."
2. J Crew
A group of 5 girls and one guy who have extreme OJD. Actions frequently include stalking and fantasizing about any one (or more) jonas brothers. Fantasies have been known to include hot fudge and whipped cream.
They often have pictures of Joe Jonas' JNK on their desktop background. JOENER!?

Wanted in 52 states
"Hey, last night we snuck into the Jonas Brother's tour bus and raped all three jonas brothers... AND covered them in hot fudge!"
"What the FUCK? You must be a member of the J crew! Get da PO PO! 5-0 5-0!"
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