Definition of disaster. 1  1 obsolete, occult : an unfavorable aspect (see aspect 2a) of a planet or star. 2  2 : a sudden calamitous event bringing great damage, loss, or destruction natural disasters; broadly : a sudden or great misfortune or failure The party was a disaster.
Katsu-sando, a tonkatsu sandwich, served as an ekiben. Tonkatsu (è±ã«ã, ã¨ããã¤ or ãã³ã«ã, pork cutlet), is a Japanese food which consists of a breaded, deep-fried pork cutlet. There are two main types, fillet and loin. It is often served with shredded cabbage. Tonkatsu originated in Japan in the 19th century. As well as being served as a single dish, it is also used as a sandwich filling or in combination with curry.
1 Use as a sauce with tonkatsu (fried pork cutlets, or chicken cutlets) and katsudon, or as a sauce to accompany grilled chicken, turkey, pork, steaks or fish.  You can even drizzle some on a shredded cabbage salad.