(n.) The manner or action of a wag; mischievous merriment; sportive trick or gayety; good-humored sarcasm; pleasantry; jocularity; as, the waggery of a schoolboy.

crack devilishness devilment devilry deviltry drollery elfishness flippancy foolishness frivolity gag high spirits impishness jape jest levity merriment mischief mischievousness playfulness prankishness pranksomeness puckishness quip roguery roguishness scampishness sportiveness trickery trickiness waggishness wisecrack witticism yak youthful spirits