On Top of the World

Etymology:

• This phrase has been used since the start of 20th century by many writers in their work. Most of the work used the verb “sitting.” The words “up” or “on top” have been used to express ecstatic and joyful feeling for a long time. On the contrary, the word “down” has always referred to the feeling of depression. In the idiom the word “world” is used to refer to anything in the life of the person like the family or occupation. In short, the idiom means the emotions of being happy as if the entire world is under you.