'Gong man' definitions:

Definition of 'Gong man'

From: GCIDE
  • 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]