foot-and-mouth disease

(medicine) A highly contagious and sometimes fatal viral disease that can affect animals with cloven hooves.

(medicine) An infection in humans caused by a group of enteroviruses, typically characterized by a mild fever followed by a rash of flat discoloured spots and bumps that may blister, most commonly on the hands, feet and mouth.

Alternative form of hand, foot and mouth disease.

(idiomatic, humorous) A tendency to make remarks that are embarrassingly wrong or inappropriate.