The new drug acts as a clot-'buster'. [=it causes blood clots to break apart]
crime'-busters' [=people who stop crimes, who catch criminals, etc.]
Wait a minute, 'buster'. You're trying to trick me, aren't you?
(..) .. Excuse me, am I intruding? .. I feeI I know you from somewhere. .. Nice try, buster. .. I Iook Iike something out of James Fenimore Cooper... .. ...but I mean you no harm. .. (..)1999 Wild Wild West