son' of a bitch'
—pl. sons of bitches. Slang (vulgar).
1. a contemptible or thoroughly disagreeable person; scoundrel.
2. a disagreeable matter; a chore.
3. (used as an exclamation of impatience, irritation, astonishment, etc.) Also,son'-of-a-bitch'.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.