When you type to fast and what you
mean to type comes out as gibberish.
Alternatively, when
one hand is off position by
one key on the keyboard and you wind up typing gibberish.
"U webt ti tge nakk tidat."
"What?"
"Sorry I had gibberfingers."
---
"I wanted to
know if you wanatsad to go to the
movies tonight."
"Typing too
fast?"
"Yeah, I have gibberfingers."