adj

• (informal) Of a person, chatting a lot or fond of chatting.
  "When a typically chatty employee who often participates in meetings and is engaged and enthusiastic suddenly becomes unmotivated and quieter, that person could be at risk for burnout."
• (informal) Of a text or speech, expressed in a conversational style.
• (computing) Supplying more information than necessary; verbose.
  "Chatty error messages may help attackers to compromise your server."

adj

• (British, Australia, New Zealand, dated or dialect) Infested with lice; or, (figuratively) dirty, worn or of poor quality; lousy.
  "Now there are plans to put up a cheap and chatty wooden fence which will not provide anything like the security the old wall did and it will not have the same character."