1 definition by Milt "Goddamn" Reder

Top Definition
A free drink; Usually supplied by a bartender to reward good tipping or to compensate for poor service.
I was out of cash but the bartender said I had a buyback left, so I asked for another Harvey Wallbanger.
by Milt "Goddamn" Reder October 22, 2007

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Buy a buyback mug!