rascal (n.) Look up rascal at Dictionary.com
early 14c., rascaile "people of the lowest class, rabble of an army," from Old French rascaille "outcast, rabble" (12c.), perhaps from rasque "mud, filth, scab, dregs," from Vulgar Latin *rasicare "to scrape" (see rash (n.)). The singular form is first attested mid-15c.; extended sense of "low, dishonest person" is from 1580s.