A flap that hangs down behind a vehicle's wheel so that mud and other things kicked up by the wheel will hit the flap instead of a vehicle behind.

(idiomatic, slang) Refers to a person or a builder using earth, mud, or clay as its main material. / (vulgar, slang) A turd (piece of feces).

Alternative spelling of mudpuppy

The immersion of the body in mud, for therapeutic reasons. / (figuratively) A very muddy area.

plural of mud sedge

(extractive metallurgy) A mixture of solid and metallic oxide-bearing impurities that is a waste product of bauxite refinement. / Used other than figuratively or idiomatically: see red, mud.

An off-road motorsport in which competitors attempt to drive a vehicle as far as possible through a pit of mud.

plural of mud flat

A rich slimy deposit in salt marshes and along the seashore, sometimes used as a manure.

The water contained in mud.