If the courtier survived the meal, then it was fit for the King. If he died, then the meal was avoided.
TikTok users may not be familiar with the dining habits of the King of Korea in the 1600s. This was long before the Samsung era when Korea was called the Chosun Empire.
The King of Korea was in constant fear of assassination. Poison was a common method. A courtier had to taste every meal that was served to the King.

