Definition of "gan"

gan¹

/ɡæn/

noun
uncountable
1. (obsolete, UK, thieves' cant) Mouth.
  Quotations
  White thy fambles, red thy gan / And thy quarrons dainty is. / Couch a hogshead with me then. / In the darkmans clip and kiss.
  1922 February, James Joyce, “[Episode 3]”, in Ulysses, Paris: Shakespeare and Company, […]

gan²

/ɡæn/

verb
1. (archaic) simple past of gin

gan³

/ɡæn/

verb
third-person singular simple present gans, present participle gannin, simple past went, past participle gone
1. (Northumbria) To go.
  Quotations
  The one problem I had here was my broad Geordie accent which the teachers tried their hardest to make me lose. I couldn't understand their problem with it because I could understand myself. Whenever I told them, "Am gannin yem", they would say, "No, Christopher. It's not "am gannin yem", it's "I am going home".
  2011, Chris Dockerty, Ramblings of a Geordie