Poundland is a cheap department store mostly specialising in off brand products. So someone who tries to imitate Drake in their own music but does it pretty bad, will come across as a cheap knock off, hence being resembled to a Poundland version of said artist.

A cultural and aesthetic mind-state that prioritizes making money, even as an “underground” or “radical” creator. The work isn’t made for money, but it’s the money that matters the most.