son of a bitch is an English profanity, a pejorative phrase that literally means "son of a female dog".
Common usages include:
1. As an insult: "You son of a bitch!"
2. As an expression of frustration: "Son of a bitch! I lost my keys again."
3. As a term of endearment among friends: "You crazy son of a bitch!"
4. As an adjective: "This son of a bitch weather!"