1TALK TO somebodyAmerican EnglishAmE spoken used to speak to a man who is annoying you or who you do not respect 小子〔对男子的蔑称〕
You’re under arrest, buster!
小子,你被捕了!
2.crime-buster/budget-buster/sanctions-buster etcinformal used with nouns to mean someone or something that ends a situation or stops an activity 打击犯罪/耗尽预算/打破制裁的人[事物]等
Examples from the Corpus
buster• It turns city functions into money makers rather than budgetbusters.• Look in the mirror, buster.• But whatever their appearance, they are always rule busters.• Its engine acts like a vacuum cleaner by removing pollutants to become a smogbuster.• The pilot of the plane, known as the tankbuster, lost radiocontact.• K3 to you and your modem, too, buster!• Keep your hands to yourself, buster!