Please refer to point 2.
backfire
verb
/bakˈfʌɪə/
backfire
verb
/bakˈfʌɪə/
- 1.
(of a vehicle or its engine) undergo a mistimed explosion in the cylinder or exhaust.
"a car backfired in the road and shoppers ducked instinctively"
synonyms:misfire
"the engine backfired" - 2.
(of a plan or action) have an opposite and undesirable effect to what was intended.
"overzealous publicity backfired on her"
synonyms:rebound, boomerang, come back, have an adverse effect;
have unwelcome repercussions for, cause one to be hoist with one's own petard, be self-defeating, be counterproductive;
fail, miscarry, go wrong;
informalblow up in someone's face;
archaicredound on
"Bernard's plan backfired on him"

