Lyric discussion by Rock-dude 

The song was based on a true story...

After a gig in tazmania, Bon Scott was abducted by Rosie (her real name) and dragged back to her place, where she skrewed his brains out all night. The next day, he returned to the lads, telling them about the most amazing sex he had ever had in his LIFE. And this is Bon "Two Different Girl Every Night" Scott we're talking about here! The next year, when AC/DC were back on tour in Tazmania, Bon went looking for Rosie again. When he found her, she had lost a lot of weight, and he said it just wasn't the same.

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