JD, bad boy, booger, brat, buffoon, bugger, cutup, devil, elf, funmaker, gamin, holy terror, hood, hoodlum, hooligan, imp, joker, jokester, juvenile delinquent, knave, little devil, little monkey, little rascal, minx, mischief, mischief-maker, mollycoddle, naughty child, pixie, practical joker, prankster, puck, punk, punk kid, rapscallion, rascal, rogue, rowdy, ruffian, scamp, scapegrace, spoiled brat, spoiled child, urchin, wag, whippersnapper