Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
over-the-top is an adjective meaning "far more than usual or expected". It carries one recorded sense.
far more than usual or expected
“an extraordinary desire for approval”
“it was an over-the-top experience”
Definitions, synonyms and semantic relations for over-the-top come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.