Definition of kiss someone's ass in English:

kiss someone's ass

phrase

vulgar slang
  • Behave obsequiously toward someone.

    be obsequious to, be sycophantic to, be servile to, curry favour with, pay court to, play up to, crawl to, creep to, ingratiate oneself with, dance attendance on, fall over oneself for, kowtow to, toady to, truckle to, bow and scrape before, grovel before, cringe before, abase oneself before
    View synonyms