阿乜水 (aa3 mat1 seoi2) — a way to address someone whose name one does not know, cannot recall or does not wish; to specify; whatshisname; whatshername; so-and-so in Cantonese
aa˗₃阿matˉ¹乜seoiˊ²水简 啊乜水
Mandarin Pinyin: a5 mie1 shui3
Meaning of 阿乜水
nouna way to address someone whose name one does not know, cannot recall or does not wish; to specify; whatshisname; whatshername; so-and-so