noun

• (countable) A Chinese household divinity; a Chinese idol.
• (countable) A heathen divinity.
  "Don't forget they're mostly just joss-worshipping heathen an' they don't get no kick out of the more classy breeds o' religion. Though I guess there ain't that much diff'rence. It ain't many's so Lord Almighty in theirselves that they don't need a joss of some sort, an' I guess it's what yu think about him matters not the sort o' joss."
• (uncountable, informal) Luck.
  "She had twisted a piece of heather into her mail box for good joss, and this was the safety signal."

verb

• (fandom slang, transitive) To invalidate a fan theory or original element of a fanwork through the introduction of new canon or retconning.
  "Author's note part 2: I'm leaving it to the imagination of the reader what Cordelia saw of her future. Writing that out would be asking to be Jossed."