Gabby
ahd-5
adjective.
Tending to talk excessively; garrulous.
The Century Dictionary and Cyclopedia
Talkative; chattering; loquacious.
Wiktionary, Creative Commons Attribution/Share-Alike License
adjective.
Inclined to talk too much, especially about
trivia
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adjective.
full of trivial conversation
Word Usage
"Often, it makes subjects "gabby" without revealing any important information."