Synonyms and related words :
Gothamite, boldface, brazenface, chutzpanik, hussy, malapert, minx, pup, puppy, saucebox, smart aleck, smart ass, smart-ass, smarty, smarty-pants, swaggerer, upstart, whippersnapper, wise fool, wise-ass, wiseacre, wisehead, wiseling, wisenheimer, witling