Are the phrases used? I mean it's slang....... "Suck up"https://idioms.thefreedictionary.com/suck+up
(verb) To habitually offer flattery in the hope of gaining favor; to behave sycophantically.
- Stop sucking up just to try to get an A. Just study like everyone else.
(noun) A person who habitually offers flattery in the hope of gaining favor; a sycophant. In this usage, the phrase is usually hyphenated.
- Billy is always complimenting the teacher on her hair. What a suck-up.
"Why do you think he offered to take all that work home?"
"Oh, he's just sucking up to the boss."
Are these used? And what are it's alternatives?