gallaghersexual
You ever seen those gifs of Liam and Noel Gallagher kissing? Yeah, that's gallaghersexual. Only they can and are gallaghersexual.
person 1: what's your sexuality?
person 2: i'm gallaghersexual!
person 1: what? no! only liam gallagher and noel gallagher are gallaghersexual!
person 2: i'm gallaghersexual!
person 1: what? no! only liam gallagher and noel gallagher are gallaghersexual!