Let the 1% of the population who want to redefine the word invent their own. No matter how hard they want to pretend, their arrangment is not and will never be a marriage.
I can pretend I'm a steamboat all I want, run around insisting others call me "Steamboat", sue until I'm blue in the face, and accuse others of being "steamboatphobic", but it will not change reality.
Similarly the homosexuals.
"If they come down in favor of the plaintiffs, the word 'landmark' is an understatement."
I think "skidmark" is the proper word if they "go down" or "bend over" in favor of the plaintiffs.