blow up in (one's) face

blow up in (one's) face

To have a plan go wrong or awry. Mike was trying to sabotage my campaign, but the plan blew up in his face when I overhead him talking about it. Tina's decision to invest only in technology stocks has really blown up in her face.
See also: blow, face, up
Farlex Dictionary of Idioms.

blow up in someone's face

 
1. Lit. to blow up or explode suddenly. The bomb blew up in the terrorist's face. The firecracker blew up in his face and injured him.
2. Fig. [for something] to get ruined while someone is working on it. All my plans blew up in my face. It is terrible for your life to get ruined and blow up in your face.
See also: blow, face, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

blow up in your face

or

explode in your face

COMMON If a situation blows up in your face or explodes in your face, it has a bad result that you did not expect. His outburst yesterday could blow up in his face. Those that have supported his cause will certainly question his motives. The scandal has exploded in the government's face.
See also: blow, face, up
Collins COBUILD Idioms Dictionary, 3rd ed.

blow up in your face

(of an action, plan, or situation) go drastically wrong with damaging effects to yourself.
See also: blow, face, up
Farlex Partner Idioms Dictionary

blow up in somebody’s ˈface

(of a situation, plan, project, etc.) end or fail suddenly, with bad results: Starting up the business was difficult, and it all nearly blew up in his face when his partner fell sick at the last minute.
See also: blow, face, up
Farlex Partner Idioms Dictionary
See also:
  • blow up in face
  • blow up in somebody's face
  • blow up in your face
  • go a bomb
  • arrange
  • arrange (something) with
  • arrange with
  • plan B
  • You'll never get away with it
  • chart