[ flan-l-mouth ]

noun,plural flan·nel·mouths [flan-l-mouthz]. /ˈflæn lˌmaʊðz/.
  1. a person whose speech is thick, slow, or halting.

  2. a person whose speech is smoothly deceptive.

Origin of flannelmouth

An Americanism dating back to 1880–85; flannel + mouth

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use flannelmouth in a sentence