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1.
Usually used by older adults, it refers to the once popular Chaty Cathey doll. A Chaty Cathey continuously talks in a seemingly non stop fashion.

To be called a Chaty Cathey means that you should probably stop talking as it is annoying everyone around you.
"Abby sure does talk alot"

"yeah she's a real Chaty Cathey "
by Nick Triple July 20, 2008