suck up to


verb

(intr, adverb + preposition) informal to flatter for one's own profit; toady

Idioms and Phrases with suck up to

suck up to

Behave obsequiously towards, ingratiate oneself with, as in Now that he's the boss they're all sucking up to him, hoping to get big raises. [Vulgar slang; mid-1800s]