He acts like he is too cool for school.
too cool for school
idiomVery cool (trendy, fashionable, etc.).
She wore her new designer jacket, acting like she was too cool for school at the party.
Despite his obvious talent, he adopted an attitude of being too cool for school, which alienated his more earnest colleagues.
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cool cat
A person who performs or appreciates jazz, especially one whose style of speech and movement is relaxed and rhythmic.
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cool head
A calm, focused demeanor and mindset; a person having such characteristics.
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cool one's heels
To wait, especially impatiently or restlessly.
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cool one's jets
To become less excited, intense, or active; to exercise self-restraint.
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ice cool
calm and composed in a difficult situation.
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keep a cool head
To keep one's cool; to stay calm.
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keep one's cool
To remain composed, calm, and even-tempered, especially in a provocative situation.
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lose one's cool
To become upset or disconcerted; to lose one's temper.
Last updated April 17, 2026