The 2020Coronavirus pandemic forced isolation on the global population, which in turn catalyzed what is known as the "COVID Thirst". The ensuing increase in birth rate gave birth to a generation known as the Coronials. First popularized by Rapper, Lil Durby.
"Yo, bruh, your momma so fine, I bet she want it, she probably still got that COVID Thirst"
"Nah, bruh, I ain't part of the Coronials, I'm a millenial, now shut the f*** up and check my new TikTok"
1) Food purchased solely to be used in a protest. One is 'crowned' with the (usually rotten) food. Hence the word coronation. Out of date quiche is readily available and can be thrown in an aero-dynamic way.
2) To spend other people's money on something that you want and they don't. In this case it's not the food that's rotten, but the source.
3) Rotten food.
For example: "He was supposed to buy the pizza, but he got us all salad instead. Tasted like Coronation Quiche".