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1 definition by Law Reporter

 
1.
To cause serious damage to one's reputation or character, typically inflicted upon oneself.
I'd never do that and sheen myself.

We were just kidding, but then he admitted to actually sleeping with his best friend's wife and totally sheened himself.

She'd be willing to admit stealing from her boss, but she's not about to sheen herself.
by Law Reporter March 01, 2011