Définitions
1.NounA 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).
2.NounA piece of (sharp) criticism or a (highly) uncomplimentary remark.
3.VerbTo attack (someone or something) by swinging or throwing brickbats (noun sense 1).
4.VerbTo assail (someone or something) with (sharp) criticism.