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1.
noun. one who meanmugs. meanmug means to stare down or 'grill' someone. The etymology is mean+mug (meaning face). as in: to show someone a mean/angry face = to meanmug = to stare.
"He's just a bitch-ass meanmugger; he won't actually do shit. All bark no bite."
by Harrebscht January 27, 2012