backfire on someone

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

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