2 Samuel 3:8; 2 Samuel 9:8; 2 Samuel 16:9

2 Samuel 3:8

8 Then Abner was very angry over the words of Ish-bosheth and said, "Am I a dog's head that belongs to Judah? Today I show kindness to the house of Saul your father, to his brothers and to his friends, and have not delivered you into the hands of David; and yet today you charge me with a guilt concerning the woman.

2 Samuel 9:8

8 Again he prostrated himself and said, "What is your servant, that you should regard a dead dog like me?"

2 Samuel 16:9

9 Then Abishai the son of Zeruiah said to the king, "Why should this dead dog curse my lord the king? Let me go over now and cut off his head."