mud
https://gyazo.com/f5436d66662e0b2209fbc34f2bbe02ab
noun
泥, ぬかるみ
批判, 中傷
e.g. they are trying to sling mud at me to cover up their defeat.
PHRASES
slander or denigrate someone or something publicly.
informal used to express friendly feelings toward one's companions before drinking.
informal not at all easy to understand.
informal one is in disgrace or unpopular:
e.g. if you forget their birthdays, your name is mud.
ORIGIN