Blabbering

She kept blabbering about how her boyfriend is kind, compassionate, brave, and whatnot.

I'll tell you what happened. You started blabbering and they figured the whole plot out. We're screwed!

What are you blabbering on about?

Ziri and Rima were blabbering in Berber.

Gustavo didn’t stop blabbering.

What are you blabbering about?

Those people in the living room are blabbering carelessly.