Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
ass-kisser is a noun meaning "a person who tries to please someone in order to gain a personal advantage". It carries one recorded sense.
a person who tries to please someone in order to gain a personal advantage
Definitions, synonyms and semantic relations for ass-kisser come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.