Entry 2 senses · 2 variants Webster, 1913 Mux · IPA n. v. t. 01 n. Dirt; filth; muck. 1. Dirt; filth; muck.[Prov. Eng.] 02 v. t. To mix in an untidy and offensive way; to make a mess of. 1. To mix in an untidy and offensive way; to make a mess of.[Prov. Eng.; Colloq. U.S.]