The proper spelling of the term "most guffaw" is "məʊst ɡʌfɔː". The word "most" is spelled as it appears phonetically, with the schwa sound represented as "ə" and the "o" and "s" consonant sounds as in "moss". The word "guffaw" is pronounced with a prominent "a" sound, represented by the symbol "ʌ", and features a consonant cluster consisting of "f" and "w". Together, the phrase "most guffaw" implies the highest level of laughter or amusement.