buster

(chiefly colloquial, with 'of') Someone who or something that bursts, breaks, or destroys a specified thing.

(chiefly military slang) Forming compounds denoting a team, weapon, or device specialized in the destruction of the first element.

(US, in particular, dated, slang) A broncobuster.

(chiefly law enforcement slang) Forming compounds denoting an agent or agency tasked with reducing or eliminating the first element.

(dated, slang) Someone or something remarkable, especially for being loud, large, etc..

(colloquial, variously expressing familiarity, admiration, or hostility) A form of address, particularly of men: guy, dude, fella, mack, buddy, loser. (Originally as 'old buster'.)

(obsolete, slang) A loaf of bread.

(obsolete, slang) A drinking spree, a binge.

(dated, slang) A gale, a strong wind; (especially Australia) a southerly buster.

(Australia and New Zealand) A heavy fall; (also performing arts) a staged fall, a pratfall.

(US, regional) A molting crab.

(gambling, slang) A cheat's die whose sides bear only certain combinations of spots, so that undesirable values can never be rolled.