Eighty-six Definition

ātēsiks

eighty-six, eighty-sixes

verb

To eject from, or refuse to serve at, a place where alcoholic drinks are sold, as because of drunkenness.

Webster's New World

To cut off, eject, cancel, eliminate, kill, etc.

Webster's New World

To throw away; discard.

American Heritage

(colloquial) To cancel an order for food.

"eighty-six the ham and eggs for table two!"

Wiktionary

(colloquial) To remove an item from the menu.

Eighty-six the lobster bisque - we won't have the lobster delivery until tomorrow.

"Yes, I'd like the tomato soup." / "I'm sorry sir, that's been eighty-sixed - would you like a salad instead?"

Wiktionary

Origin of Eighty-six

Probably from waiters' and bartenders' slang of the 1920s and 1930s originally used to indicate that an item on the menu was not available perhaps rhyming slang for nix

From American Heritage Dictionary of the English Language, 5th Edition
Unknown for certain. Possibly rhyming slang for nix (“cancel, say no to") (given by the OED), or possibly part of a code of such numbers, created in the 1920s.

From Wiktionary
eighty + six

From Wiktionary