宅男 Traditional form: 宅男 Pinyin (reading): zháinán Definitions: a guy who stays at home all the time, typically spending a lot of time playing online games (derived from Japanese "otaku") Characters: 宅 - residence, dwelling, home; grave 男 - man, boy; male; baron; surname Traditional characters: 宅 - residence, dwelling, home; grave 男 - man, boy; male; baron; surname