nineteen
cardinal number
□ talk nineteen to the dozenBritish
the urge to talk incessantly, to jabber nineteen to the dozen:
prattle, blather, blether, blither, babble (on), gabble, prate, drivel, rattle on/away, ramble, maunder, go on, run on, talk at length, talk incessantly, talk a lot, chatter, yap;
informal jabber, blabber, yatter, jaw, gab, gas, chit-chat, yackety-yak;
British, informal rabbit, witter, waffle, natter, chunter, talk the hind legs off a donkey;
North American, informal run off at the mouth;
Australian, New Zealand, informal mag.
dozen Oxford Dictionary of English