死宅 Traditional form: 死宅 Pinyin (reading): sǐzhái Definitions: die-hard otaku (sb who hardly ever emerges from their home, where they play games, watch movies etc) Characters: 死 - dead; death; impassable, inflexible 宅 - residence, dwelling, home; grave Traditional characters: 死 - dead; death; impassable, inflexible 宅 - residence, dwelling, home; grave