To get wonchoed you must lose in a video game to a completely loser who has never won before. The man expected to win then is wonchoed and shamed for all enternity.
In any video game, being beaten, in any division of game (firefight, round, etc.), by a newb by a large margin, or being defeated by one of the least powerful weapons in the game when you have clearly superior weaponry.
Playing Halo 2 while you have the sword and are defeated by someone with a needler.
A long time player being defeated by their friend who has never played before.
Even more so when a combination of the two.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.