0 present participle of blather
1 to talk for a long time in a silly or annoying way:
What on earth are you blathering on about?
Stop blethering, woman!
There is to be more talk apparently—some of us would say more havers and blathering—but no action.
So he went blathering on and on about the statistics.
She is blathering on nervously, while he is trying to hurry up the date.