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English definition of “blow up”

blow up

(ANGER) informal phrasal verb with blow     /bləʊ/ US  /bloʊ/ verb (blew, blown)
to suddenly become very angry: My dad blew up (at me) when he saw the bill.Becoming angry and expressing anger
(Definition of blow up (ANGER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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