noun / verb
twang
TWANG/twæŋ/
A sharp resonant vibration like a plucked string.
The recorded voice has a sharp nasal twang.

Etymology
Twang imitates the sharp vibration of a plucked string. That sound provided the image for a nasal voice, then for a distinctive regional manner of speaking.
In context
he speaks Russian with an extreme Southern Twang and likes to entertain his comrades with his guitar and songs about the war
More examples
- The bowstring twanged as the arrow flew.
- He twangs a rubber band stretched across an empty box.
- A loose spring makes a metallic twang whenever the seat moves.
Forms
twang · twangs · twanged · twanging
twangy adjective — Having a sharp, vibrating sound.