'Dog's' in the Bible

Then was Abner very angry for the words of Ishbosheth, 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 hand of David; and yet you charge me this day with a fault concerning this woman!

Like one who grabs a dog's ears is one who passes by and meddles in a quarrel not his own.

He who kills an ox is as he who kills a man; he who sacrifices a lamb, as he who breaks a dog's neck; he who offers an offering, [as he who offers] pig's blood; he who burns frankincense, as he who blesses an idol. Yes, they have chosen their own ways, and their soul delights in their abominations: