It is virtually always used when something doesn’t go along plan. Kuso is pretty much the equivalent of any English swear word you can imagine. Literally translated, kuso means feces. Over time, it has grown to be one of the most common swear words used in the Japanese language, ironically almost the same as in the English language.
Thank You in 30 Different Languages This shows how some things might not look the same or even sound similar across different languages but are still expressed. "Thank you" is a universal concept, it is important to people to be able to express gratitude. So, languages (cultures) have evolved to include words with the agreed upon meaning to express the concept.