Blow up in (one's) face informal verb phrase common
To abruptly explode or blow up.
The bomb blew up in her face in a crowded street.
The artillery shell blew up in people's face and injured several people.
Used to say that a plan goes wrong or awry.
I regret to inform that all our plans blew up in our face.
My plan blew up in my face mainly due to a lack of finance.
To be very wet
Because of forgetting bringing an umbrella, I look like a drowned rat when it rains.