ball-buster

[ bawl-buhs-ter ]
/ ˈbɔlˌbʌs tər /

noun Slang: Vulgar.

an arduous, often unpleasant task.
a person who makes great demands on others; taskmaster.
Also called ball-break·er [bawl-brey-ker] /ˈbɔlˌbreɪ kər/.

Words nearby ball-buster

ball up, ball valve, ball's in your court, the, ball-and-claw foot, ball-and-socket joint, ball-buster, ball-carrier, ball-peen hammer, ball-valve thrombus, balla, ballad

British Dictionary definitions for ballbreaker

ballbreaker
/ (ˈbɔːlˌbreɪkə) /

noun

slang a person, esp a woman, whose character and behaviour may be regarded as threatening a man's sense of power

Word Origin for ballbreaker

C20: from ball 1 (in the sense: testicle) + breaker 1