Meaning

• An objectionable, despicable person.

  "“My mother never saw the irony in calling me a son of a bitch.” — attributed to various people, such as Jack Nicholson and Richard Jeni"

• Any objectionable thing.

  ""This son of a bitch won’t move!" Marty exclaimed as he grappled with the supermarket cart."

Meaning

• Used to express anger, contempt, astonishment, disappointment etc.