Sentence:  They were silent, unsmiling youngsters, undersized and pale. They went to school passively, and since they showed no interest in education, Moe was trying to train them in his own profession of carpentering, and was teaching them frog-hunting on the side. "Them <WSD>scapers</WSD> is the best frog hunters in the county," he said. 
Meaning of the word marked with <WSD> tags:  A rascal.