bust a gut

English

Verb

bust a gut (third-person singular simple present busts a gut, present participle busting a gut, simple past and past participle busted a gut)

  1. (Canada, US, slang) To work or try very hard.
    I had to really bust a gut to get it done by the deadline
  2. (Canada, US, slang) To laugh very hard.
    Something about the way he said that made me just bust a gut: I practically died laughing!
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