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bust one's butt (third-person singular simple present busts one's butt, present participle busting one's butt, simple past and past participle busted one's butt or bust one's butt)

  1. (slang, Canada, US) To work exceptionally hard.
    I've been busting my butt getting the tent fixed, while you're just sipping cocoa. Give me a hand.
    • 1995, Jewel (lyrics and music), “Who Will Save Your Soul”, in Pieces of You:
      Those flings, those strings you've got to cut / So get out on the streets, girls, and bust your butts

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