1 definition by HH_Reezy

Top Definition
Someone who doesn't finish their alcohol before they open a new can/bottle and then doesn't admit that the unfinished drinks are theirs. This results in numerous half-full drinks left lying around.
John: "Who keeps leaving these half-full bottles around?"

Ben(Phantom Sipper): "Not me."

John: "Someone is a phantom sipper!"
by HH_Reezy January 18, 2013

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