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Swelled head
01
a sense of high self-esteem or self-importance that one has
What is the origin of the idiom "swelled head" and when to use it?
The phrase "swelled head" originated in the early 19th century and draws upon the image of a literal swelling or enlargement of the head, representing an inflated ego. It is used informally to describe someone who is arrogant and has an inflated sense of self-importance, often disregarding others' opinions or contributions.
Example
Her constant bragging about her accomplishments shows her swelled head.
Ever since he won the award, he's had a swelled head and thinks he's better than everyone else.
Don't let success go to your head and cause a swelled head.
