To come unglued American informal
This is an idiom, implying the state of being extremely upset or angry, another definition of the idiom is to fail suddenly or completely.
The teacher came unglued after none of the students spoke of their answers for the question.
The girl always comes unglued when someone judges her K-Pop idols.
The boy came unglued when his girlfriend cheated on him.
The business man has come unglued since his recent failure in estate investment.
The plan is coming unglued due to unforeseen circumstances caused by COVID-19.
His marriage came unglued when he found out his wife is pregnant with another man.
All of my saving plans will come unglued if I continue on spending money lavishly.
1. To abruptly explode or blow up.
2. Used to say that a plan goes wrong or awry.
The idiom comes with 2 verb 'come' and 'unglued', however only the word 'come' need to be conjugate according the sentence.
The only trace of the orign of this idiom is the timeframe in which the idiom first appeared, it's around 1685-1695. The idiom is belived to be very widespread in America, but overtime the idiom is also used frequently in the U.K.