foot-in-mouth disease

See more synonyms for foot-in-mouth disease on Thesaurus.com

noun Informal: Facetious.

the habit of making inappropriate, insensitive, or imprudent statements.

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Origin of foot-in-mouth disease

1965–70; pun on foot-and-mouth disease, with allusion to foot-in-mouth

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018