Suck up

American Slang

Definition

A person who flatters someone in authority to gain favor; or the act of ingratiating oneself through excessive flattery.

Examples

"He's such a suck-up, always bringing the CEO coffee and praising her every idea."

"Stop trying to suck up to the teacher; it’s obvious you just want extra credit."

"She spent all week sucking up to the new supervisor with over-the-top compliments."