What does gts stand for?

Answer 1

Grand Touring is what is most commonly stands for in Autos which is derived from Gran Turismo an Italian term meaning riding in style and comfort for a long distance and if you base it on school, it means gifted and talented.

Answer 2

if your asking about cm punks finisher it means go to sleep G.T.SGlobal Trade Station but in text language it means "good times"