无 ㄨ ˊ wú 厘 ㄌㄧ ˊ lí 头 ㄊㄡ ˊ tóu 無 ㄨ ˊ wú 厘 ㄌㄧ ˊ lí 頭 ㄊㄡ ˊ tóu silly talk or "mo lei tau" (Cantonese), genre of humor emerging from Hong Kong late in the 20th century