ball buster or ball·bust·er 
(bôlbŭs′tər)
(bôlbŭs′tər)n.
Vulgar Slang
Vulgar Slang
1. A person, especially a woman, considered to be demanding or imperious, usually by a man.
2. A very difficult or demanding task or situation. In both senses also called ball breaker.
[From balls, testicles.]
- Carolina jessamine
- Carolinas
- Carolina wren
- Carolina yellow jasmine
- Carolina yellow jessamine
- Caroline
- Caroline Islands
- Carolingian
- Carolingian Renaissance
- Carolinian
- caroller
- Carolus
- carom
- caron
- carotene
- carotenemia
- carotenoid
- Carothers
- carotid
- carotid body
- carotid sinus
- carotin
- carotin
- carousal
- carouse