gadatliwy, rozmowny

Boring: talkative

• He is such a talkative person that it's impossible to get any work done when he's around.

Use: garrulous or loquacious

• He is such a garrulous person that it's impossible to get any work done when he's around.
• garrulous in a song:

For Ngram of garrulous, loquacious, and talkative click here.