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11.
"talk to you later" is the commonly accepted definition of the acronym ttyl. Other definitions include "taste these yummy lips."
An internet conversation comes to a close:

"hey man, i have to go."

"ok. ttyl."
by yreyesylee March 18, 2009
 
1.
talk to you later
by dawn June 15, 2002
 
2.
Talk to you later.
Used instead of saying goodbye.
"Got to go. TTYL"
"Ok, bye."
by Stephen Noell October 04, 2005
 
3.
Short for "Talk To You Later".

commonly used on massively multiplayer online games and chat rooms.
Dood1: Hey man i g2g eat, TTYL!

Dood2: Sure bud, bonapetit!
by FLking May 21, 2007
 
4.
Means "Talk to you later".
"Sorry, I g2g."
"That's okay, ttyl."
"Yeah, ttyl."

by Parisa Baripour February 26, 2008
 
5.
when someone has to leave, they formally say ttyl (talk to you later)
Bye Mary, ttyl

formally used in instant messaging and game messages
by Mike Cicero December 26, 2007
 
6.
Abbreviation for "talk to you later"
Person 1: "See ya later"
Perosn 2: "Yep, ttyl"
by sensfan March 18, 2013
 
7.
Talk to ya later
Talk to ya later
by Talk to ya later August 04, 2003