The spelling of the word "most okeydokey" is straightforward, as it is simply the combination of the words "most" and "okeydokey." The IPA transcription for "most" is /moʊst/ and for "okeydokey" is /oʊkiˈdoʊki/. The pronunciation of the entire phrase would be /moʊst oʊkiˈdoʊki/. "Okeydokey" is a colloquial phrase used to express agreement or acceptance of a situation, often with a lighthearted or playful tone.