hot up

— Phrasal Verb with hot

/hɒt/ verb (present participle hotting, past tense and past participle hotted)

Definition

UK informal

› If a situation or event hots up, it becomes more exciting and more things start to happen: The competition is really hotting up now.

(Definition of hot up from the Cambridge Learner's Dictionary © Cambridge University Press)

something which threatens to cause problems or unhappiness in the future

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