son of a bitch in British English
or sonofabitch (ˌsʌnəvəˈbɪtʃ)
nounWord forms: plural sons of bitches slang, sometimes offensive, sometimes, mainly US and Canadian1. a worthless or contemptible person: used as an insult
2. a humorous or affectionate term for a person, esp a man
a lucky son of a bitch