Chatty-McChat-Chat 

an adjective describing unnecessary chatty-ness

I was creeping on their wall to wall and she was all chatty-mcchat-chat

Chatty-McChat-Chat by Katrina McClary December 29, 2007

Chatty McChatterson 

A mock name given to a person who continually talks when no one wants to hear it.

Hey Chatty McChatterson, shut your trap!

Chatty McChatterson by Mike March 2, 2005

chatty charley

Asshole who talks nonstop but tells a woman she talks too much.

Did you hear him tell me to shut up!? Mother fuckin chatty charley...

chatty charley by Double standard February 24, 2014

Chatty Charlie 

Someone who won't shut up.

Chatty Cathy's self important brother.

Interchangeable with Chatty Cathy, but sometimes also implying someone who talks over people, even when the other person has something more relevant to say.

Hey Chatty Charlie, just because you won't stop talking doesn't mean we haven't figured out you've got nothing to say!

Chatty Charlie by La Regulatrice July 29, 2016

Chatty Carlos 

a talkative man. Derived from a phrase in a sating-advice site

"I have so much to say. Oh, I am just such a chatty carlos tonight

Chatty Carlos by Sparkina1967 June 16, 2004

chatty feely 

When someone cannot stop chatting, either online or on the phone

Sheila is so chatty feely I ended up having to install whatsapp

chatty feely by rhinoplast January 3, 2013

chatty kathy 

A person who is overly chatty and usually doesn't know what they are talking about anyway.

Yes, well he is a F*cking chatty kathy!

chatty kathy by Ashley Reger July 15, 2010