The phrase "going phffts" is an informal expression used to describe something ending abruptly or unexpectedly. The phonetic transcription for this word is /ˈɡoʊɪŋ fʃfts/. The "phffts" sound represents the sudden and brief release of air from the mouth, creating a sharp and abrupt sound. The spelling of this word accurately conveys the sound it represents, making it easy for readers to understand the meaning behind the expression. Overall, "going phffts" is a casual and fun way to describe something disappearing quickly.