TTYLIRL=Talk to you later, in real life.
What socially balanced people prefer to do. A face to face conversation. A healthy alternative to constant cyber talk or Second Life. A good reason to get out of your mom's basement.
Sign off and shut down, Chook! let's get out and grab a drink. TTYLIRL.
Often text or text slang is an ineffective form of communication. Hence, "ttyirt" suggests that a real conversation is probably a good idea, or actually necessary.
talk to you in real time
very often, text or text slang is simply ineffective communication. Hence, ttyirt suggests that a true conversation is probably better or necessary.