The spelling of the word "haddest an orgasm" can be confusing due to its archaic form and irregular conjugation. In IPA phonetic transcription, the pronunciation would be [hædɪst æn ɔːɡæzəm]. "Haddest" is a second-person singular past tense form of "have," while "an" is a variant of "a." "Orgasm" is pronounced as [ɔːɡæzəm]. Although this phrase is rarely used in modern English, its spelling and pronunciation provide insight into the historical development of the language.