turn someone's head, to

turn someone's head

Fig. [for flattery or success] to distract someone; to cause someone not to be sensible. Don't let our praise turn your head. You're not perfect! Her successes had turned her head. She was now quite arrogant.
See also: head, turn
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

turn someone's head

make someone conceited.
See also: head, turn
Farlex Partner Idioms Dictionary

turn someone's head, to

To influence someone’s mind-set, particularly so as to make him or her conceited. Seneca had the idea (and his translator the phrase) almost two thousand years ago (Ad Lucilium): “His head was turned by too great success.”
See also: turn
The Dictionary of Clichés by Christine Ammer
See also:
  • go to one's head, to
  • not harm/touch a hair of somebody's head
  • not touch a hair on (one's) head
  • hold a pistol to (one's) head
  • head into
  • head into (something)
  • knock (someone or something) on the head
  • knock someone or something on the head
  • knock something on the head
  • head up