TTYL
TTYL (interjection) means used to end a text message or chat, meaning 'talk to you later'. Example: “Got to run, ttyl!”
How to use TTYL
Learner’s notesIn plain EnglishA short way of saying 'talk to you later' when you say goodbye online.
Casual only. Never use it in a work email or any formal message.
It is usually typed in lower case in chat, and often paired with 'gtg' (got to go).
Trace the full origin ↓Fill the gap
Can you complete this real example?
Got to run, _____!
Etymology
An initialism of 'talk to you later'.