Green’s Dictionary of Slang

(Aus.) a euph. for bloody adj.; also as adv.

1957

D. Niland Call Me When the Cross Turns Over (1958) 25: ‘Gorblimey, haven’t they buddy well hanged you yet?,’ greeted Fiddley Dick. [Ibid.] 200: ‘Too buddy good for a trouble-maker like that,’ Fiddley Dick said, ‘Buddy terrible what some of them will do to turn decent men against each other.’.