n. (Hira=おい) nephew, son of one's brother or sister

n. (Trad=甥, Pinyin=sheng1) nephew

n. (Simp=甥, Pinyin=sheng1) nephew

wai4 sheng1 da3 deng1 long2... zhao4 jiu4
The nephew carries the lamp... to lighten for his uncle (as usual).
This is a game of words. The pronunciation of "zhao4 jiu4" can be interpreted as both "lighting up" and "as usual".