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2.
To have abandoned or nixed
I 86'edmy project bcause it sucked.
by Jman December 21, 2004
 
1.
To deny re-entry, sometimes legally or by other force; to remove or ban from approaching certain places
A store has the right to 86 anyone who harrases or threatens their customers or employees, or the store itself(like shoplifting).

Thus, a customer who sexually harrasses an employee repeatedly, may be 86'ed at any time.
by AMandarin July 22, 2006
 
3.
When a restaurant runs out of a certain item of food.
86 Prime Rib, someone just ordered the last one
by MJ December 23, 2004