That look that misguided people give you when you've just confused them.
Person 1: The square root of -1 is i.
Person 2: Blank stare.
by winmaster April 13, 2014
When you stare at something with out really looking at it. This happens often when one is day dreaming about something.
I was totally blank staring at the board in math today. My teacher thought I was actually listening!
by Anna Banana Bread June 2, 2010