What is synonym for yapping?

Here are some synonyms for "yapping," depending on the context:

Informal:

* Barking

* Chattering

* Gabbing

* Blabbering

* Nagging

* Whining

* Complaining

* Grumbling

* Squealing

* Shrieking

* Pestering

* Bickering

More formal:

* Talking incessantly

* Speaking rapidly

* Making a lot of noise

* Being voluble

* Being loquacious

The best synonym will depend on the specific situation and what kind of tone you want to convey.