命根子
mìng​gēn​zi

lifeblood; darling

mìng​gēn​zi lifeblood; darling
  1. 命根 mìng​gēn
    lifeblood
    The most essential or vital thing in one's life; something one cannot live without
  2. 子 zi affix
    noun suffix
    [suffix] used to form nouns from noun, verb, or adjective roots

mìng​gēn​zi penis
  1. 命根 mìng​gēn
    penis
    (colloquial) The male genitals; also called the "family jewels".
  2. 子 zi affix
    noun suffix
    [suffix] used to form nouns from noun, verb, or adjective roots