buster

1. Someone who or something that bursts, breaks, or destroys a specified thing. (colloquial)
2. Forming compounds denoting a team, weapon, or device specialized in the destruction of the first element. (slang)
3. A broncobuster. (US, colloquial, dated, slang)
4. Forming compounds denoting an agent or agency tasked with reducing or eliminating the first element. (colloquial, slang)
5. Someone or something remarkable, especially for being loud, large, etc. (dated, slang)
6. A form of address, particularly of men: guy, dude, fella, mack, buddy, loser. (Originally as 'old buster'.) (colloquial, dated, slang)
7. A gale, a strong wind; (especially Australia) a southerly buster. (dated, slang)
8. A molting crab. (US)

Plural busters