TJA stands for thick juicy ass. Only used for the thickest and juiciest of posteriors. If you have one of these, you're the talk of the town.
Hana: I can't stop looking at Ezra's TJA.
Austin: Yeah, that thing's enormous
by Adogwithalog June 10, 2021
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-tja¯\_(ツ)_/¯
by SirWiener January 18, 2017
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A file type used by Taiko no Tatsujin simulators that stores a song's chart.
I just downloaded a .tja file of my favourite song, I can't wait to play it later
by Debleb January 11, 2021
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