The lack of ability to see how ugly your eyebrows are.
"I wasn't sure if she was extremely surprised, or if she just had a facelift. Her eyebrows were distracting. - She must have been suffering from brow blindness"

"cdn.diply.com/img/11f2bb65-6983-4b3e-995b-3967bd29e877.jpg - This person is suffering from a serious case of brow blindness"

"Did you look yourself in the mirror when you did your eyebrows, or do you suffer from brow blindness?"
by Benny Frost October 16, 2014
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One's inability to see an obvious calamity about to reign down upon them.
Brian got drunk at work and hit on his boss' secretary yesterday morning and is about to be fired but he doesn't even know it. He is so "brow blind idiot"
by sudra21 January 29, 2009
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