Synonyms of mouthy

2 Syllables
gabby, sassy, chatty, ranting, windy, gabbier, talky, sassier
3 Syllables
big-mouthed, loudmouthed, gossipy, chattering, long-winded, garrulous, voluble
4 Syllables
hyperbolic, talkative, vociferous, loose-lipped, rhetorical