'Dog's' in the Bible

Abner was very angry about Ish-bosheth’s accusation. “Am I a dog’s head who belongs to Judah?” he asked. “All this time I’ve been loyal to the house of your father Saul, to his brothers, and to his friends and haven’t handed you over to David, but now you accuse me of wrongdoing with this woman!

One slaughters an ox, one kills a man;one sacrifices a lamb, one breaks a dog’s neck;one offers a grain offering, one offers pig’s blood;one offers incense, one praises an idol—all these have chosen their waysand delight in their detestable practices.