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go up

(EXPLODE) phrasal verb with go
 
/ɡəʊ/
 
US  /ɡoʊ/ verb (present participle going, past tense went, past participle gone)

Definition

C2 to suddenly explode: There's a gas leak and the whole building could go up at any moment.Exploding and erupting
(Definition of go up (EXPLODE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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