Top definition
The preferred packaging envelope for heroin, also popular with jewelers and philatelics (stamp collectors). Glassine bags are non stick and do not promote condensation and are easilly stamped with a logo in order to promote brand recognition.
I had to stop at the head shop to pick up some more glassine bags because I used the last box to bag up a a few bricks.
by Scandall May 25, 2008
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