go to one's head

1

Make one dizzy or drunk, as in Wine always goes to her head. [c. 1900]

2

Make one proud or vain, as in All this money is going to his head. [Early 1900s]

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.