n. Instant Messenger; any of the instant messaging services available via internet comprised of a buddy list and the ability to instantaneously send and receive short typed messages on a computing device.

Origins.
2009-10; Derived from chit-chat but applicable only in reference to the internet and computing realm.
Johnny B. "I'll catch you on the chitty-chat later"

Jane J. "We should use the chitty-chat to coordinate the best time for everyone to meet up later"
by noooo names please April 6, 2010
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A chitty chat is a cute cat. The word is derived fom a combination of the english "kitty cat" and the french word "chat" ʃa, which means cat. Despite the french origin, the "chat" part of this word is pronounced like the english word "chat".
Look, over there, that's a cute chitty chat. Come here, chitty chat! pspspspspspps
by Kant0sh October 13, 2022
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