backfire on

(redirected from backfire on them)

backfire on

To not proceed as one had planned or hoped. My plan to convince my parents that I'm responsible enough to have a car promptly backfired on me when I came home after curfew. The invading army's strategy completely backfired on them because they failed to account for the icy mountain terrain.
See also: backfire, on
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

backfire on someone

Fig. [for something, such as a plot] to fail unexpectedly; to fail with an undesired result. Your plot backfired on you. I was afraid that my scheme would backfire on me.
See also: backfire, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

backfire (on someone)

in. [for a scheme meant to cause harm to someone or something] to harm the person who runs the scheme. I hope this plan doesn’t backfire on me.
See also: backfire, on, someone
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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