2 Samuel 16:9

16:9 Then said Abishai the son of Zeruiah unto the king, Why should this dead dog curse my lord the king? let me go over, I pray thee, and take off his head.

2 Samuel 18:11

18:11 And Joab said unto the man that told him, And, behold, thou sawest [him], and why didst thou not smite him there to the ground? and I would have given thee ten [shekels] of silver, and a girdle.