Fuck it man, if being a lard ass is a disability, it'll mean there's a paper trail now that can be researched. You can ID them without ever having to look at them, assuming you work in industries that have access to said records.

"one person, one seat"

If the plane crashes because of it, too bad for you. Physics be damned.

Why shouldnt it be called an disorder when its pretty much in system to make people fat and dumb?

Plus-sized seats with plus-sized cost. In the most inconvenient part of coach. No peanuts for the elephants.

And give em their own handicapped airport parking on the far side of the parking lot.