Showderp is a game where we take turns as champs.
The rest of us then pick 6 OU legal pokemon that the champ must then use in pokemon showdown. Unless he/she wishes to go ubers, which must be predeclared.
This continues forever.
If you want to claim champ, don't forget to get a tripcode first.

Links:
plug.dj/showderp-1/ (music)
play.pokemonshowdown.com/showderp (chatroom)
http://pastebin.com/7LzUKXWR (list of fan favorites)

Current champ is ChampAnon