A syndrome very simmilar to Tourette Syndrome. A person afflicted with Typettes will often blurt out random profanities or onomatopoeia while typing in a IM program, chat room, or sending a text message.
1. (Typing) John:"Me and Billy walked down to the DAMN IT MOTHER FUCK store today."
Linda:"I think you may have Typettes Syndrome ..."
2. (Typing)Lora:"I think your a really cool guy Jim. I would like to CORRODED SCROTUM hang out some time for real..."
Jim:"Well... I'd love to hang out, but you have Typettes Syndrome ... sorry"