Willfingers
Noun. Used to imply that someone is making a great deal of simple typographical errors during an online chat session; esp. when the person fails to correct him or herself in a timely manner.
"We were chatting online, but he was totally wasted and was typing like a damn Willfingers."
"He was typing one-handed, but, so his friends wouldn't find out, he blamed it on the Willfingers."
"He was typing one-handed, but, so his friends wouldn't find out, he blamed it on the Willfingers."