prattle (
http://definr.com/prattle)
n : idle or foolish and irrelevant talk [syn:
prate, {idle
talk},
blether,
chin music]
v : speak (about unimportant matters) rapidly and incessantly
[syn:
chatter,
piffle,
palaver,
prate,
tittle-tattle,
twaddle,
clack,
maunder,
blab,
gibber,
tattle,
blabber,
gabble]