English

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Etymology

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From gut +‎ up, influenced by expressions like man up and shut up. Compare guts (courage).

Pronunciation

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Verb

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gut up (third-person singular simple present guts up, present participle gutting up, simple past and past participle gutted up)

  1. (intransitive, slang, chiefly imperative) To show courage and hide one's apprehension.

Synonyms

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Translations

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