give (someone) a big head

give (someone) a big head

To cause someone to become arrogant, conceited, or have an exaggeratedly high opinion of him- or herself. Having her book on the bestseller list is giving Samantha a big head. My parents have given John a big head with all the praise they heap on him for his accomplishments.
See also: big, give, head
Farlex Dictionary of Idioms.
See also:
  • get a big head
  • swellhead
  • blowhard
  • false pride
  • stuck-up
  • uppity
  • cock of the roost
  • flatter (oneself)
  • flatter oneself
  • swellheaded