TT is a crying emoticon. "TT" is also a bop by South Korean girl group TWICE which lead to many memes.
Person 1: Aw man, we have so many exams this week
Person 2: I know TT
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Person 1: Someone is spreading false information about TWICE on Twitter...
Person 2: Oh man they're gonna be like TT after I beat their @ss
50👍 15👎