babble-baby
A babble-baby is someone who talks nonstop about things that don’t matter, and they might as well be speaking a different language.
'I’m a babble-baby. I said the sky is purple and that my dog is a wizard.'
Voice message: 'My brother is a babble-baby. He talks about robots, ice cream, and why the moon is crying.'
Text: 'I think I’m a babble-baby. I talked for 10 minutes and said nothing useful.'