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Phrase(s): flying high
1. Fig. very successful in one’s ambitions; in an important or powerful position. (Often with the implication that this is not the usual situation or will change.) • The government is flying high just now, but wait until the budget is announced. • He’s flying high these days, but he comes from a very poor family. 2. Fig. in a state of euphoria. (From good news, success, or drugs.) • Wow! Todd is really flying high. Did he discover a gold mine? • Sally is flying high. What’s she on?
McGrawhill's American Idioms And Phrasal Verbs