be history

be history

1. To be dead, destroyed, or in deep trouble after something negative happens. Almost always used in a figurative sense. I just got bad news from the auto repair shop—my car is history. You'll be history once the principal finds out you plagiarized that paper.
2. To be a thing of the past; to be no longer relevant. A: "I thought that you didn't get along with Jenny." B: "Oh, that's history! We're friends now." Can you please clean out all this junk? Cassette tapes are history, and there's no reason to keep them!
See also: history
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

be history

SPOKEN
COMMON If someone or something is history, they are no longer important or no longer exist. If you forget to do your homework, you're history. He raises a hammer and swings it at the stone. A dozen well aimed blows, and the thing is history.
See also: history
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012

be history

1 be perceived as no longer relevant to the present. 2 used to indicate imminent departure, dismissal, or death. informal
2 1995 Country If Ducas does get the girl, you can lay odds that she'll be history by the end of the song.
See also: history
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
All of which occur -- have always occurred--at the same time, and as such, are time, which is always shown, in boomerang fashion, to be history. Invisible Man, then, is an open-ended, continually disruptive, unaccountable, and aporetic history of naming.
(1) Two years later, on June 19, 1997, the dismantling of the Historical Commission, along with several other agencies, was completed and the restructuring of the largest non-Catholic denomination in the United States appeared to be history.