1. to make a fool of yourself 2. get really really messed up (beat up, drunk, not coherent) 3. cellphone
"Man you see that boof ass nigga there? Last night he was on that selfown"
"Yeah I'll give him a call, lemme see your selfown"
by phos October 01, 2005
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From the slang own: to own self.
As soon as Bill pushed the button, a hundred-ton weight fell from the sky and hit him on the head. "Ha! Bill got self-owned!" said Joe.
by Vex December 20, 2004
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