👉 The term "maruba ke sumire" is derived from Japanese and translates to "a big fat mistake." It's a colloquial expression often used to describe making an incorrect decision or failing to do something that one should have done.
Let's look at this in the most unsettling example sentence: "The boss was so upset about his performance, he decided to send him on a high-speed journey to someplace else with no explanation." This is a shocking situation where someone makes a grave mistake and then goes on an epic adventure.
