What is Ttys?
1.
Shortening of Talk to you soon. Similar to
A: Let's go to a movie.
B: Alright, I'll come pick you up.
A: Alright, ttys.
2.
Titty twist Yosemite Sam
Bugs Bunny really TTYS in the classic 1945 Merry Melodies episode "Hare Trigger".
See