gab informal
verb
they were all gabbing away like crazy:
chatter, chitter-chatter, chat, talk, gossip, gabble, babble, prattle, jabber, blather, blab;
informal yak, yackety-yak, yabber, yatter, yammer, blabber, blah, blah-blah, jaw, gas, shoot one's mouth off;
British, informal witter, rabbit, chunter, natter, waffle;
North American, informal run off at the mouth;
Australian, New Zealand, informal mag;
archaic twaddle, clack, twattle.
noun
their meetings turn into marathons of gab:
chatter, chat, talk, gossip, blather, blether, gibberish, drivel;
chattering, chatting, talking, gossiping, jabbering, babbling, gabbling, prating, rambling;
informal yak, yackety-yak, yabbering, yatter, twaddle, blah, blah-blah;
British, informal wittering, waffle, natter, chuntering, flannel;
archaic clack, twattle.
gab Oxford Dictionary of English