Noah Webster
Twang
TWANG, verb intransitive To sound with a quick sharp noise; to make the sound of a string which is stretched and suddenly pulled; as the twanging bows.
TWANG, verb transitive To make to sound, as by pulling a tense string and letting it go suddenly.
Sound the tough horn, and twang the quivering string.
TWANG, noun A sharp quick sound; as the twang of a bowstring; a twang of the nose.
1. An affected modulation of the voice; a kind of nasal sound.
He has a twang in his discourse.