Slang USED On Occasion BY Bartenders
(v.) • Used in the service industry, particularly in bars, to describe an item that has run out, a person to be kicked out or to be refused service, or to lose your job. It can be used more loosely to refer to removing something.
“We just sold our last oyster dish, so 86 oysters for the rest of the night.” "The new guy's been 86'd. He wasn't right for the job."