Definitions

1. adjective

most talkative or loquacious; having a tendency to talk excessively or foolishly

“He was known as the twaddliest person in the town, always eager to share his opinions.”

2. superlative of twaddly

most talkative or loquacious; having a tendency to talk excessively or foolishly

“This is the twaddliest of all the fools I’ve ever met.”