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1 definition by HankyPanky4255

 
1.
A person who masturbates in the room as soon as his roommate leaves, leaving behind no evidence of his deed unless the unfortunate roommate returns too quickly.
Guy 1: Does your room mate have a girlfriend?
Guy 2: No, but I think he's a phantom wanker
by HankyPanky4255 November 01, 2011