The term "Deafnut" is a unique word with an unusual spelling. It refers to a deaf person who is particularly skilled or knowledgeable in a certain field, similar to the term "whiz." The word is pronounced as ["dɛfnʌt"], with the first syllable being pronounced like "deaf" and the second syllable being pronounced with a short "u" sound. The spelling of "Deafnut" intentionally combines the words "deaf" and "nut," with "nut" representing someone who is enthusiastic or knowledgeable about something.