A crying emoticon. The tops of the Ts are the eyes, and the stems are the tears streaming down the emoticon's face.

tears in the eyes, anime/asian style smily face (er this one is sad)

Also see ;.;

An anime-like face for crying. It's used often in chat rooms and in MMORPG's

A crying emoticon mimicking the exaggerated crying typically found in animes. Usually found in this form in instant messaging clients and online games. In the real world, however, most humans cannot produce this fierce a stream of tears, so if this occurs, please contact a doctor immediately.

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Acronym for Tournament Tough, referring to someone who's mentally strong at what he does.