Insult or Criticism, Not a Block Used in Building

This page is the CodyCross answer for the clue below from Dogs, Group 1630, Puzzle 1 (Professional Handler).

Question is: Insult or Criticism, Not a Block Used in Building

and the answer is: BRICKBAT

Word Meaning:

BRICKBAT — A piece of brick, rock, etc., especially when used as a weapon (for example, thrown or placed in a sock or other receptacle and used as a club).

Definitions from Wiktionary.