To type hastily, resulting in misspelled and poorly phrased text. Frequently occurs after drinking or while rushed at work. Analogous to poor penmanship.
Texter: "Hey whaaat re you boing tonight lter? Callme later afterwrds you are done"
Emailer: "Johnson, have oyou fieled the claim yet?My spreadsheot is still in a einindin status on hold"
Responder: "Dude, your scribble type is atrocious."