twaddlemonger

Example:Sarah is a blabbermouth, and her constant chatter about her latest adventures can be quite annoying.

Definition:A person who talks a great deal, especially in a loud or annoying way, or who discloses too much information.

Example:He was a gaber who could not resist the urge to talk about every little thing that happened to him all day long.

Definition:A person, especially a young person, who talks a lot and often in a loud, continuous, or boisterous manner, or who talks excessively and without good reason.

Example:The politician was a verbiage monger, always using big words and complex phrases to obscure his real intentions.

Definition:A person who uses or speaks in excessively long and complex language; a person who uses unnecessary or inflated language.