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bust (one's) chops
1. (acting upon oneself) To exert a significant amount of energy or work very hard to do, accomplish, or complete something. I've been busting my chops all night long to get this presentation ready for tomorrow's meeting. She's going to have to bust her chops if she wants a place on the varsity team.
2. (acting upon someone else) To harass, nag, or upbraid someone to do, accomplish, or complete something. The boss is busting everyone's chops to get the project ready by next week. Quit busting my chops! I'll get it done eventually!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
bust (someone's) chops
1. To scold or insult someone.
2. To disappoint or defeat someone.
3. To hold a building contractor to the letter of an agreement.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.