Definitions

1. verb

to talk or chatter idly or foolishly

“She was yabbering away to her friend on the phone.”

2. verb

to talk rapidly or in a loud, excited voice

“The politician yabbered on about his latest policy.”

3. noun

a person who talks or chatters idly or foolishly

“The yabber in the corner was bothering everyone.”

4. noun

a foolish or idle talker

“He’s such a yabber, always talking nonsense.”