mouthings

Noun

mouthing (plural mouthings)

1. (especially sign language) The act of forming a shape with the mouth.
   • Mouthings tend to occur most often when signers are manually articulating nouns, open-class items, and morphologically simpler signs (see Crasborn et al. 2008).2013, Robert Bayley, Richard Cameron, Ceil Lucas, The Oxford Handbook of Sociolinguistics, page 382
2. Ranting; passionate speech devoid of meaning.
   • Kearn did not rant, he did not deafen you with heroics and empty mouthings.1941, Players Magazine