A favor you do someone with good intentions but that in the end hurts the receiving party.
The word has originated from a fable by Jean de La Fontaine where a bear tries to helps his master in chasing a fly away from his face by throwing a boulder at his master, and killing him in the process.
Example: If you do someone's homework you do them a bear favor. You do them a favor, but in the end they haven't learned anything.
When today's parents spoil their children they do the children and society a bear favor.
A video game genre that originated in DayZ, a Arma 2 mod, where one for the main portion of the game traverses the huge game world without doing much else. The term has since come to define a broader genre of games where the walking is a big part of the experience.
"Dude, have you played DayZ yet? It's maybe the best walking simulator out there!"
Another way of typing "rekt" AKA "wrecked". It is sometimes used during multiplayer videogames when one side completely dominated the opponents without giving them a chance to fight back. Typically said to be disrespectful towards your opponents.
"You got r4kt, better uninstall"