The correct spelling of the word "new boy girl" is actually "newbie girl." The IPA phonetic transcription for this word is /ˈnjuːbi ɡɜːrl/. This term refers to a new or inexperienced female member of a group or organization. It's important to use the correct spelling of words to avoid confusion and ensure clear communication. By understanding the correct spelling and pronunciation of words, we can effectively communicate with others and convey our ideas accurately.