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jmz: A really kind helpful guy, usually noticed for his massive penis.
Person A: Have you seen that jmz?
Person B: Yeah, it's huge!
by bigswagfag November 02, 2013
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"Hey did you see that guy on that moped?"

"Thats not a dude, that's jmz."
by Bruceisaman December 28, 2018
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