When you go to a concert and the guy (or girl) on stage seems really hot, but when you google search them later they turn out to be average. Usually caused by being so drunk or into the music that you aren't seeing straight.
Abby screamed during the concert that she wanted the lead singer to be inside her, but when she looked him up the next morning she realized it was just concert goggles and that he was balding and had bad skin.
Cousin to beer goggles. The metaphorical goggles worn when observing another person wearing form-fitting attire of spandex. The resulting disruption of vision makes a person's physique appear more noteworthy than the reality is likely to be.
man 1 Did you see that yoga girl back there? She was so attractive!
man 2 I'm not so sure, I think you may have had your spandex goggles on.