Not knowing something or forgetting something that you should know, based on Comics, Anime, nostalgia, ect, and speaking based on that lack of knowledge.
I just said that Gambit was one of my favorite DC characters, I'm so Nerdbarrassed!
by Dan-E-Asia July 23, 2010
1 more definition
When you make a mistake about something you should definitely know, being a nerd.
I can't believe I just called Cap a DC character, I'm so nerdbarrassed.
by Midnight RasBerries July 22, 2010