The most widespread definition of the English word bang It's "cop," but in American street slang it has another meaning. It's also used as a synonym for "buy" and is used quite a bit in the underworld of sneakerheads, when they debate whether to spend the money on the latest exclusive model from their favorite brand with their staff. In a business that turns over almost seven million euros a year, Newcop is the company that grew out of what he started doing when he was just 16: buying limited-edition models in stores or online and then reselling them at a higher price.Companies.