flannelmouth

[ flan-l-mouth ]

noun

, plural flan·nel·mouths [flan, -l-mou, th, z].

1. a person whose speech is thick, slow, or halting.
2. a person whose speech is smoothly deceptive.

Word History and Origins

Origin of flannelmouth¹

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