Lyric discussion by GeoWhovian 

Brian said it was written around the same time as Bicycle Race which was inspired by the Tour Du France going by where they were recording. Freddie was very "interested" in the thick bottoms in tight bike shorts going by and Freddie tended to be attracted to "thick" people so Brian wrote this tongue in cheek for him. Brian was not well off as a child and did not have a nanny. He also indicated he was really shy and uncomfortable around girls as a teen and really did not date (or lose his virginity) until college so I don't think this is some deep childhood abuse trauma in his past. Any sexual issues Brian might have had as an adult sounded like it more to do with being sheltered and naive as a kid over some sort of abuse. It's a fun, silly song, with an awesome riff.

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