The song is famously based on a real-life encounter Bon Scott had after a show in .
In 2021, biographer Jesse Fink identified the real Rosie as Rosemaree Garcia , a sex worker from Tasmania who lived in Melbourne and passed away in 1979 at age 22. Musical Impact and Live Performance Whole Lotta Rosie
According to Angus Young, Scott met a woman named Rosie who claimed to have slept with dozens of famous people that month. Scott reportedly woke up the next morning to hear her whisper to a friend that he was number 29. The song is famously based on a real-life