Originally Posted by
YOWgary
It's actually the opposite of the Shaves on a Plane thread - Objectively Superior Seatmate.
Denotes people who don't talk much, practice good hygiene and never, ever get up to pee.
Or better yet (if they've got the aisle seat), always get up to pee just before you need to and then take a short walk to stretch their legs, and don't return to their seat until a minute or so after you do.
I swear, this was one of my best memories from the first time I flew to Hong Kong.