SOB, bad boy, balker, balky horse, bastard, blackguard, blighter, booger, bounder, buffoon, bugger, bum, cad, charlatan, cheat, churl, contumacious, creep, crock, cross-grained, crowbait, cur, cutup, dastard, devil, disobedient, dog, elf, enfant terrible, fractious, funmaker, garron, goat, good-for-nothing, hack, headstrong, hood, hoodlum, hooligan, imp, incorrigible, independent, intractable, jade, joker, jokester, jughead, knave, lawless, little devil, little monkey, little rascal, louse, minx, mischief-maker, mischief, miscreant, mountebank, nag, pixie, plug, practical joker, prankster, precious rascal, puck, rampageous, rapscallion, rascal, rat, recalcitrant, refractory, roarer, rosinante, rotter, rowdy, ruffian, scalawag, scamp, scapegrace, scoundrel, self-willed, shyster, sneak, spalpeen, stiff, stinker, strong-willed, swindler, trickster, uncontrollable, undisciplined, ungovernable, unmanageable, unpredictable, unrestrained, unruly, villain, wag, wastrel, whistler, wild, wretch