A fork of Rural Dictionary
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
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