sunuvabitch
also S.O.B. {n. phr.}, {vulgar}, {avoidable} (but becoming more and more acceptable, especially if said with a positive or loving intonation). Fellow, character, guy, individual. Negatively:
Get out of here you filthy, miserable sunuvabitch!
Positively:
So you won ten million dollars at the lottery, you lucky son of a bitch (or sunuvabitch)!
Compare: SON OF A GUN.

[TahlilGaran] English Idioms Dictionary ▲