when the fat lady sings

when the fat lady sings

When a given situation, event, effort, etc., is completely finished or concluded. It is often used in reference to organized competitions, such as sporting events, political elections, etc. A: "We're down by six points with only two minutes remaining. There's no way we can win now!" B: "Hey, we'll call it quits when the fat lady sings!" Most other candidates would have conceded the election at this point, but I'll concede defeat when the fat lady sings!
See also: fat, lady, sing
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

when the fat lady sings

verb
See also: fat, lady, sing
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
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References in periodicals archive ?
"That's when the fat lady sings - when we're back with our families."
* When the fat lady sings. "It's not over 'til the fat lady sings." When you've done your very best to defuse and resolve a volatile situation constructively, the fat lady has sung.
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