What does this idiom mean: to break my balls?

[dollies]

Hi everybody,

can somebody explain to me what this sentence means:

He was breaking my balls all day.
Is it sthg like to bother sbdy?
thx

[Mister Micawber]

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To break one's balls is rude slang for (make someone) work hard or humiliate someone.

It should not be used in mixed company.
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Native English teacher at Mister Micawber's