Top Definition
A Gpen is another term used for a vape for weed. Like an E-cigaret. But this is an E-joint.
Have you hit a Gpen before? They're smooth af!
by Dsay April 06, 2014
An electronic pen shaped smoking device used to smoke marijuana and weed wax
A gpen is like an electronic cigarette
by AGG8501 April 30, 2014
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