He explains the source of the term in the article: an observation of a specific, real-life experience -- the "young man" way to repair a motorcycle versus the "

He explains the source of the term in the article: an observation of a specific, real-life experience -- the "young man" way to repair a motorcycle versus the "old man" way to repair a motorcycle. It's not exactly his fault that no old or young women showed up to help him and his friends fix their bikes.