Someone so queer, so over the top flamboyantly homosexual that there is no possible way they could be straight.
Girl: I think that cheerleader dude is kinda hot.
Friend: He's Capital G Gay, you don't have a shot in hell.
Friend: He's Capital G Gay, you don't have a shot in hell.
by MrJizz May 15, 2010
Get the Capital G Gaymug.