from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. Slang To refuse to serve (an unwelcome customer) at a bar or restaurant.
- transitive v. To throw out; eject.
- transitive v. To throw away; discard.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The cardinal number immediately following eighty-five and preceding eighty-seven.
- v. To cancel an order for food.
- v. To remove an item from the menu.
- v. To remove or eject, as a disruptive customer
- v. To throw out; discard.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. being six more than eighty
Perhaps after Chumley's bar and restaurant at 86 Bedford Street in Greenwich Village, New York City.(American Heritage® Dictionary of the English Language, Fourth 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. (Wiktionary)