What is Gorchy?
adjective - nasty, foul, or bitter tasting. However, it can also denote something of extremely rancid quality in general, not limited to taste.
First mainstream usage: Uttered by character Kim Possible in an episode ("Overdue") of animated show of the same name after licking ancient library book label.
"That five-day-old burrito I found behind the radiator sure tasted gorchy!"