Definition of busters:
(n) :
(chiefly colloquial, with 'of') Someone who or something that bursts, breaks, or destroys a specified thing.
(n) :
(chiefly colloquial, with 'of') Someone who or something that 'breaks', tames, or overpowers a specified person or thing.
(n) :
(colloquial, variously expressing familiarity, admiration, or hostility) A form of address, particularly of men: guy, dude, fella, mack, buddy, loser. (Originally as 'old buster'.)
(n) :
(chiefly military slang) Forming compounds denoting a team, weapon, or device specialized in the destruction of the first element.
(n) :
(chiefly law enforcement slang) Forming compounds denoting an agent or agency tasked with reducing or eliminating the first element.
(n) :
(dated, slang) Someone or something remarkable, especially for being loud, large, etc.