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3. give (someone) a big head

give (someone) a big head

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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