𝒎𝒊𝒏𝒖𝒕𝒊𝒂𝒆.

not very polite

Tanjiro: I can't pour this gross medicated water on Kanao, that wouldn't be polite

Zenitsu: I would never pour water on a lady

Inosuke, being Inosuke: *dunks Aoi's head in a tub of water*