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The combination of the first part of dude that makes the do sound and man which is changed to sound mane (like a lions mane) for more effectiveness in speech. Not meant to be derogatory. It can be used as a greeting like "Dude!" or as a replacement for a name (see examples).
Yo, doomane, hand me that purple drank.
Fuck you doomane.
by Jade the Number One Son May 17, 2011
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