Definition of "gwan"

gwan¹

interjection
1. (nonstandard) Pronunciation spelling of going.
2. (nonstandard) Pronunciation spelling of go on.
  Quotations
  “Aw, gwan, you slave driver,” the boy said, dashing from the room.
  1952, Ralph Ellison, Invisible Man, Penguin Books (2014), page 199
3. (nonstandard) Pronunciation spelling of going on.

gwan²

noun
plural gwans
1. (neologism, rare) A hybrid between a goose and a swan, especially the offspring of a gander (male goose) and a pen (female swan).