break (one's) balls

break (one's) balls

1. vulgar slang To exert oneself to the utmost degree; to put forth the maximum amount of effort or strain. "Balls" is slang for the testicles, so the phrase in every meaning is usually (but not solely) said of or by a man. I've been breaking my balls trying to get the new software ready by the release date. Don't break your balls getting over here, there's no rush.
2. vulgar slang To harass, harangue, or pressure one about something, especially for a lengthy period of time. The boss has been breaking our balls over the number of sales our department has made this quarter. I said I would get it done today. Quit breaking my balls!
3. vulgar slang To tease one; to give one a hard time. Aw, come on, dude, I was just breaking your balls. No need to get upset about it.
See also: ball, break
Farlex Dictionary of Idioms.

break (someone's) balls

 and break (someone's) stones; bust (someone's) balls; bust (someone's) stones 
1. Sl. to wreck or ruin (someone); to overwork someone; to overwhelm someone. (Potentially offensive. Use only with discretion.) The boss acts like he's trying to break everybody's balls all the time. No need to break my balls. I'll do it!
2. Sl. to kid or tease (someone). Don't sweat what I said—I was just bustin' balls. Hey, relax, he didn't mean it. He was just breakin' your stones!
See also: ball, break
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

break one's balls

see under break one's ass.
See also: ball, break
The American Heritage® Dictionary of Idioms by Christine Ammer.

break someone's balls

INFORMAL, VERY RUDE
If a woman breaks a man's balls, she causes trouble for him and makes him lose his confidence. Behind the scenes, this sweet-faced girl was breaking his balls. Note: You can call a woman who behaves in this way a ball-breaker, and describe her behaviour as ball-breaking. Another professor described `Jane Eyre' as a novel written by one sex-starved ball-breaker about another. She worries that people think of her and Jen as ball-breaking, man-hating bitches. Note: These expressions are often used to refer critically to women who seem to enjoy destroying the sexual confidence of men. Note: In this expression, `balls' refers to a man's testicles.
See also: ball, break
Collins COBUILD Idioms Dictionary, 3rd ed.

break somebody’s ˈballs

(American English, taboo, slang) criticize somebody in an angry or annoying way: His wife’s breaking his balls about the bills not being paid. ▶ ˈball-breaker noun: That nephew of yours, he’s a real ball-breaker.
See also: ball, break

break your ˈballs

(American English, taboo, slang) make a very great effort
See also: ball, break
Farlex Partner Idioms Dictionary

break balls

verb
See bust one’s ass to do something
See also: ball, break

break balls to do something

verb
See bust one’s ass to do something
See also: ball, break, something

break one’s balls

verb
See bust one’s ass to do something
See also: ball, break

break one’s balls to do something

verb
See bust one’s ass to do something
See also: ball, break, something

break someone’s balls

tv. to wreck or ruin someone; to overwork someone; to overwhelm someone. (Usually objectionable.) I’m gonna break your balls. You understand me?
See also: ball, break
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
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  • break balls to do something
  • break one’s balls
  • break one’s balls to do something
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  • break somebody's balls
  • break someone’s balls
  • break someone's balls
  • break your balls
  • suck balls