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Someone who takes the initiative to start a business off the side of their desk, in addition to having a day job. A person who is an entrepreneur, investing time and or money to build a business on top of doing their existing job.
So very many people are still working their regular gigs but are spending all their nights and weekends developing an app or service, or building an entertainment franchise, or otherwise aiming to be the next Instagram, the next billion dollar baby.

"He's a real sidetrepreneur: he comes home from work every night and spends the next 6 hours working on this business he has started that will revolutionize the way movies are made."
by NightsAndWeekends April 19, 2012
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Apr 22 Word of the Day
When you eat dirt for the first time and leave your family to build a shack in the woods
Bro since I got dirtpilled on Tuesday I have made sooo many worm friends and made them soo many little houses to get married in. Me? Lonely? No you’re the lonely one u lawn owning freak
via giphy
by ecogoth December 30, 2020
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