Any sort of residual product left over from the original more pure or larger product. Commonly, this residual product is considered less desirable then its original product, even though they are often times one in the same.
Guy 1: Hey man, I'm think we're out of peanuts.
Guy 2: No, I made sure to leave you some scraples of them at the bottom of the bag.
Guy 1: Scraples! Damn it if i was not so hungry I would say no.
Guy 2: Its scraples man, its just what you were looking for.
Guy 1: Yeah I guess your right, they are still peanuts.