What is Pre-box?
1.
A shortening of the "flat-rate box", the pre-sized boxes produced for priority and express mail delivery by the U.S.P.S.
Bill: Do priority boxes come in pre-boxes?
Bre: You mean flat-rate boxes?
Bill: Yes, obviously
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1.
A marijuana cigarette constructed using 2 cigarette papers instead of the usual 1. Placing one perpindicular on the end of the other usi..