1. When an individual of Asian descent sits in a body of water for an extended period of time, resulting in pruney skin.
2. When an individual consumes such a massive volume of Asian food that the resulting overload of MSG and salt causes their body to shrivel up to a raisin-esque manner.
Charlie "Nguyenning!" Nguyen has been in that tub so long...his fingers have become as pruney as an old man's testes. He is now a Raisian.