Gay beyond belief. A level of Gayness beyond gay itself. When a person that is Supa Dupa Gay enters the area everything becomes awkward. "Some kind of gay" that is generally unexplainable. Generally one who possesses this trait can be identified by their actions or the mannor at which they present themselves. The most effective way to attack one who is supa dupa gay is to shun them.
"Hey dont look now everyone but here comes Gay Joe!"