Definition of bust a/one's gut
- We're going to have to bust our guts to finish this project on time.
- I thought I'd bust a gut (laughing) when you showed up in that silly outfit.
: a sculptured representation of the upper part of the human figure including the head and neck and usually part of the shoulders and breast
: the upper part of the human torso between neck and waist
: to break or smash especially with force
: to bring an end to : break up
: to ruin financially
: a hearty drinking session
: a complete failure : flop
: bankrupt, broke
: bowels, entrails
: the basic visceral or emotional part of a person
: digestive tract
: to extract all the essential passages or portions from
: to destroy the inside of
: arising from one's inmost self : visceral
: having strong impact or immediate relevance
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