To be completely unaware of a friends or a strangers sexual orientation when it is obvious to everyone else.
He was so gaydumb that he thought his dad just had a live in roommate that shared his room so they could convert the spare room into a sewing room in order to practice for the next casting of Project Runway.
An old slander name for Gamecube, commonly used by PSTools/Sony Ponies (Sony Fanboys), Xbots, and maybe PC Elitists. Like Gaystation and Gayboy, it's no longer used since more people "respect" LBGT people + are softer than before + Gamecube has been discontinued for long.
A degradatory and inaccurate definition of the Gamecube. Most commonly used by fanboys. Another reason this loosedefinition makes no sense is because it is impossible for an inanimate object to have a sexual preference.
Xbox fanboy: I hug my Xbox! It's much better than that Gaycube! It's gay, that's why I hate it!