flying high . flying high {adj.}, {slang} Very happy; joyful. Jack was flying high after his team won the game. Compare: IN THE CLOUDS, ON TOP OP THE WORLD. Categories: add yours {adj.} {slang} Source: A Dictionary of American Idioms by A. Makkai, M.T. Boatner, J.E. Gates © 2024 » In RussianTo section: F Subscribe to: American IdiomsIdioms feedEnglish languageHome page and general feed Discuss