The spelling of the word "NOW AC" may seem puzzling, but it is actually a phonetic representation of the phrase "no way", often used to express disbelief or surprise. The IPA transcription for "NOW AC" would be /noʊ weɪ/, with the "OW" representing a diphthong sound similar to the "ow" in "cow", and the "AC" sound representing the final "y" sound in "way". This type of spelling is often used in online communication and text messaging to convey tone and emphasis.