horseplay

wildly playful or mischievous behavior when he saw us spraying each other with the hose instead of washing the car, Dad yelled, “Cut out the horseplay!” Synonyms buffoonery, clownery, clowning, foolery, high jinks (also hijinks), horsing around, monkey business, monkeying, monkeyshine(s), roughhouse, roughhousing, shenanigan(s), skylarking, slapstick, tomfoolery Related 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