gabby

nonsexist per se, "gabby" is functionally sexist and ageist because it is used exclusively for women and older men. Consider instead talkative, loquacious, garrulous, voluble, fluent, glib, effusive, exuberant, talky, wordy, verbose, long-winded, windy, big-mouthed, talking a blue streak. See also bull session, gossip, gossipy, yenta/yente.