What is the meaning of the A Sa that is often said in Rainbow Romance? How to write it in Korean?

In the Rainbow Romance, the word " asa " often referred to " aspas ", which was a traditional way of roasting meat in Korea. It was made of meat slices, vegetables, seasonings, etc., roasted on a special barbecue grill. It tasted delicious and nutritious. In Rainbow Romance, A " A " was often used to describe the scene where the protagonist and his friends enjoyed food. In Korean, the word A Sa meant "", and the Chinese word for it was " Aispasseh ".