Otaku Dictionary: Shiny

Noun
1)An alternate coloring for pokémon in the Pokémon Games. This was orrignally a fan term but during the Gen IV games became official.

There's also this evil woman in Pokémon Black 2 who kills shinies on purpose because she's a sadist named Bianca









Art: http://cdn.bulbagarden.net/upload/4/44/Pok%C3%A9mon_Gallery_Encounter_with_Shining.png