go to someone's head

Verb

go to someone's head (third-person singular simple present goes to someone's head, present participle going to someone's head, simple past went to someone's head, past participle gone to someone's head)

1. (idiomatic) To cloud one's thinking, as do alcohol and many drugs.
   • That one glass has gone to my head, that is, touched my brain; slightly, to be sure, but enough to weaken my will.1886, John Bartholomew Gough, Lyman Abbott, Platform Echos; or, Living Truths for Head and Heart
   • Moreover, Dolores' promise had gone to my head like new wine.1903, Jerome K. Jerome, Robert Barr, Arthur Lawrence, Sidney Sime, editors, The Idler: an illustrated monthly magazine, volume 22

   Synonyms:

   turn someone's head

2. (idiomatic) To greatly raise one's conception of their social status or accomplishments.
   • He caught the biggest fish on record and it really went to his head.