blind blown

When you aren’t aware that you have typed a phrase out incorrectly because you assumed that you typed out the same phrase as the one in your head. So now you are blind blown because you are unable to recognize your spelling error

Carla: “This boy has my blind blown”
Lee: “blind blown” ??
Carla: “Omw, in my mind I was still reading it as ‘mind blown’ ”
Lee: “ Oooh it looks like we’ve just coined a new term”