When you get toung twisted and when someone else is muttering you say to them....... Oh you mutter mouth.
by SavvyShafer123 October 29, 2014
Someone who when asked a question they don't like. Mutter a random string of words and keep ducking the questions.
Ted Cruz addressed the Senate floor, "You Mutter Duckers are flaming Brimstone Creatures. Always dodging any real issues, as Greta Thumberg said, 'How Dare You!"
by LIB7ARD January 24, 2021