the dizzy heights (of something)
From Longman Dictionary of Contemporary Englishthe dizzy heights (of something)the dizzy heights (of something)IMPORTANTan important position – used humorously Naomi had reached the dizzy heights of manageress. → dizzyExamples from the Corpusreached the dizzy heights of• By this time I had joined the Scouts and had reached the dizzy heights of Patrol Leader.