blow up in your 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. © 2015 Farlex, Inc, all rights reserved.

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. © HarperCollins Publishers 2012

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 © Farlex 2017
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