bust a/one's gut

idiom

Definition of bust a/one's gut

informal
1 : to work or try extremely hard We're going to have to bust our guts to finish this project on time.
2 : to laugh in an uncontrolled way I thought I'd bust a gut (laughing) when you showed up in that silly outfit.

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“Bust a/one's gut.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bust%20a%2Fone%27s%20gut. Accessed 6 Jun. 2020.

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