1º_ Mud, silt, mixture of soil with water. In some cases it is used as a raw material in pottery and that name is given to the pieces made from it. 2º_ In a figurative sense, and because the soil of earth after the rain, the lowest and most degrading level or situation is called 'mud'. 3º_ Each of the sebaceous pimples that appear on the face due to hormonal changes. 4th_ Inflection of the verb to sweep or the verb to sweep. See verbs/mud.