1) Babble 2) Babble on, British style 3) Chaffer 4) Chat 5) Chatter 6) Chatter in Chelsea 7) Chew the fat 8) Chinwag 9) Chitchat 10) Chitchat, British style 11) Claver 12) Confab 13) Confabulate 14) Converse 15) Discourse 16) Gab like a nabob 17) Go on 18) Go on and on 19) Gossip 20) Keep yakking about nothing 1) Chat 2) Chatter 3) Claver 4) Converse 5) Jabber 6) Prate 7) Shmoose 8) Talk 9) Witter 
Natter means talking without content (similar to `yammer`). It may also refer to: ...
• (v. i.) To find fault; to be peevish. • (v. i.) To find fault; to be peevish.
Nat'ter intransitive verb [ Confer Icelandic knetta to grumble.] To find fault; to be peevish. [ Prov. Eng. or Scot.]
Natter is slang for to talk aimlessly.
to talk incessantly; chatter.