be (sitting) on top of the world(redirected from am on top of the world)
be (sitting) on top of the world
To be very happy. I was on top of the world when I found out that I'd gotten an A on my hardest exam. Cathy has been sitting on top of the world ever since she got that big promotion at work.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
on top of the world, to be
To feel elated; to be extremely successful. This metaphor for the peak of well-being dates from the early twentieth century. P. G. Wodehouse used it in Very Good, Jeeves! (1930): “If ever a bird [fellow] was sitting on top of the world, that bird was Bingo.”
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer