Gong man

from The Collaborative International Dictionary of English v.0.48
Gong \Gong\, n. [AS. gong, gang, a going, passage, drain. See
   {Gang}.]
   A privy or jakes. [Obs.] --Chaucer.
   [1913 Webster]

   {Gong farmer}, {Gong man}, a cleaner of privies. [Obs.]
      [1913 Webster]
    

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