Wiktionary
full-mouth
n. A person having a mouth full of words; a chatterer.
Usage examples of "full-mouth".
It was barely fifty paces to the crowd on the other side, and faces leaped out at him -- a bent, white-haired old man with a hooked nose, a sharp-faced woman under a hat that seemed mostly plumes, a tall fellow who looked like a stork in green silk and gold braid, a nicely plump, full-mouthed young woman who appeared about to come out of her dress at the top.