光棍

guānggùn
  1. gangster; hoodlum
  2. bachelor; single man
  3. (dialect) wise person; astute person

CEDICT

dialect

Entry Composition

1 光 guāng
  1. bright; shiny
  2. only; merely
  3. used up; finished
  4. to leave (a part of the body) uncovered

classifier: 道
2 棍 gùn
  1. stick; rod; truncheon
  2. scoundrel; villain