John Gill Commentary 2 Kings 18:27

"But Rabshakeh said unto them, Hath my master sent me to thy master, and to thee, to speak these words? [hath he] not [sent me] to the men that sit on the wall, to eat their own dung, and to drink their own water with you?" — 2 Kings 18:27 (ASV)

(See Gill on 2 Kings 18:17)