Main definitions of fat-mouth in English

: fat-mouth1fat-mouth2

fat-mouth1

See synonyms for fat-mouth

noun

slang US
  • One who talks extravagantly, a loudmouth.

Origin

1940s; earliest use found in Lester V. Berrey (b. 1907), lexicographer.

Main definitions of fat-mouth in English

: fat-mouth1fat-mouth2

fat-mouth2

See synonyms for fat-mouth

verb

slang, black english US
  • 1To talk a great deal about something, with little or no action or result.

  • 2To talk excessively to, especially in order to cajole or sweet-talk.

Origin

1970s; earliest use found in The Atlantic Monthly.