Waggery

(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.

Thesaurus Entries

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