1 Samuel 17:43 in the King James Version
And the Philistine said unto David, Am I a dog, that thou comest to me with staves? And the Philistine cursed David by his gods.
Context
42 When the Philistine looked around and saw David, he disdained him; for he was but a youth, and ruddy, and had a good looking face.
43 The Philistine said to David, “Am I a dog, that you come to me with sticks?” The Philistine cursed David by his gods.
44 The Philistine said to David, “Come to me, and I will give your flesh to the birds of the sky and to the animals of the field.”