2 Samuel 9:8

9:8 Then Mephibosheth bowed and said, “Of what importance am I, your servant, that you show regard for a dead dog like me?”

2 Samuel 16:9

16:9 Then Abishai son of Zeruiah said to the king, “Why should this dead dog curse my lord the king? Let me go over and cut off his head!”

2 Samuel 3:8

3:8 These words of Ish-bosheth really angered Abner and he said, “Am I the head of a dog that belongs to Judah? This very day I am demonstrating loyalty to the house of Saul your father and to his relatives and his friends! I have not betrayed you into the hand of David. Yet you have accused me of sinning with this woman today!