The practise of being completey obnoxious, hateful, pessimistic, and completely nice to people that aren't total wastes of these peoples times. Sometimes, if siblings are in the equation, these people prefer to be be rude, but caring all at once. This confuses true friends.
Dude, why are you being so tylermathiesonistic? You're starting to tick me off.
If everyone practised tylermathiesonism, we'd all burn.