Sling mud at somebody
By metaphor: to slander; to speak ill of someone; literally, "to throw mud."
(Modern Hebrew)
Translation
Expression (Hebrew)
זָרַק בֹּוץ
Definition (Hebrew)
בְּהַשְׁאָלָה: הִשְׁמִיץ. סִפֵּר בִּגְנוּתוֹ. "הֵטִיל רֶפֶשׁ".
(הָעִבְרִית הַחֲדָשָׁה)