Definitions by The Real Comptroller

Twink Blindness 

The inability to recognize a familiar young gay man due to excessive attractiveness.

Guy 1: Whoa, check out that hot guy that just walked in.
Guy 2: That's Mark you idiot. We've worked with him for years.
Guy 1: Oh right. Damn twink blindness.

Twink Blindness by The Real Comptroller June 2, 2015