A story told in 140 character chapters through text messages, when you have a lot to say but can't actually call or e-mail.
A literary form often employed by drunk ex's; also useful to help pass the time in lines at government offices.
Friend 1 txt:"Holy CRAP, there was just a bunch of people laid off and a huge fight at my office"
Friend 2 txt:"I can't get to the phone or computer right now. . .tell me the txty"
Friend 1 txt: "I'm so bored, tell me a Txty to help me pass the time while I wait in line at the RMV"
Friend 2 txt: "OK. . Once upon a time, there was a brave knight who spoke in 140 character phrases.. . ."