SOB
n. countable C1 Advanced US //ˈsɑb// UK //sˈɒb// sob
n. Stands for son of a bitch. A very rude and offensive name for a man you dislike.
n. Abbreviation for son of a bitch. An offensive and derogatory term for a man. Often crude in tone; avoid in professional or formal contexts.
He is a mean old SOB.
The character in the movie was a real SOB who treated his employees terribly.
Usage
Commonly used as a singular noun to insult an individual; occasionally used in plural form.