Talkative, but on a keyboard. Someone who types long entries in chat or sends long messages or mails online. Someone who suffers from this can be said to type your eyes off.
Man, Emily should get a job. She's been text massageing me every 2 minutes. And there are 10 emails in my inbox from her. She is way typeractive today.
a disposition to type, instead of talk. Used in the same way as "talkative" but in the context of written communication where typing is involved, such as email, IM conversations, or electronic documents.