Meaning of flap one's gums | Babel Free
Definitions
To speak idly; to talk without effect.
US, colloquial, idiomatic
Examples
“What's that old coot flapping his gums about this time?”
CEFR level
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.