tomfoolery

wildly playful or mischievous behavior the open bar may have had something to do with the tomfoolery at the wedding reception Synonyms buffoonery, clownery, clowning, foolery, high jinks (also hijinks), horsing around, monkey business, monkeying, monkeyshine(s), roughhouse, roughhousing, shenanigan(s), skylarking, slapstick, horseplayRelated Words childishness, clownishness, foolishness, funning, jesting, joking, nonsense, silliness, waggery; boisterousness, rambunctiousness, rowdiness, rowdyism, rumbustiousness [chiefly British]; devilry (or deviltry), impishness, knavery, mischief, mischievousness, prankishness, rascality, roguery, roguishness, trickery; cavorting, frivolity, frolicking, gamboling (or gambolling), merrymaking, playfulness, revelry, roistering, romping, sporting, sportiveness