1 definition by Jacob Freidman

Noun- 1)meaning something really dumb. Someone who just makes you mad for no reason at all.
2) name given to someone driving an eclipse around with HID lights and green neon.
Guy: Dude! Did you see that?
Guy2: What?
Guy: That guy over there is a real dunn, he just pisses me off for no reason.
by Jacob Freidman April 11, 2011
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