Kiss-up Definition

noun

(colloquial) One who flatters a supervisor, or superior, in order to get special attention.

Joe got that promotion because he was a kiss-up, not because he knew the job.
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verb

Form of kiss up: to pay false flattery to another, particularly a superior at work, in order to get special attention.

Yes, I watched Joe kissing-up to that fat-ass and was very annoyed when he got my promotion!
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(idiomatic) To pay false flattery to another, particularly a superior at work, in order to get special attention.

Yes, I watched Joe kissing up the boss and was very annoyed when he got my promotion!
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(intransitive, idiomatic) To pay false flattery.
He kisses up more than he works.
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