二拇哥

èrmugē
  1. (dialectal Mandarin, colloquial) index finger
  2. index finger

Wiktionary

Entry Composition

1 二 èr
  1. two
  2. 2
  3. (Beijing dialect) stupid
2 拇 mǔ
  1. thumb
  2. big toe
3 哥 gē elder brother