Stuart's Word Spot: Jabber

Jabber: -  verb talk indistinctly and quickly; chatter, prattle, gabble; make inarticulate sounds like a monkey or a bird, etc: noun- the act of talking gibberish.
'The curate would often jabber at his congregation, prattling on at length in a way that made his listeners wish they'd never bothered to attend his services.'
'I do wish you wouldn't jabber so, Mary; it makes it very difficult for me to concentrate on your much prettier and quieter sister.