break one's balls|balls|break イディオム
break one's balls|balls|break
v. phr., slang, vulgar, avoidable To do something with maximum effort; to do something very difficult or taxing I've been breaking my balls to buy you this new color TV set and you aren't the least bit appreciative!
Compare: BREAK ONE'S NECK.break one's balls|balls|break
v. phr., slang, vulgar, avoidable To do article with best effort; to do article actual difficult or demanding I've been breaking my assurance to buy you this new blush TV set and you aren't the atomic bit appreciative!
Compare: BREAK ONE'S NECK. Dictionary