shenanigan

diabolicalness, misbehavior, misconduct, naughtiness, troublemaking

buffoonery, friskiness, playfulness, sportiveness

chicanery, trickery

goings-on, hanky-panky, high jinks (also hijinks), monkey business, monkeying, monkeyshine(s), skylarking, tomfoolery

horseplay, roughhousing

antic, caper, dido, practical joke, trick

childishness, clownishness, foolishness, funning, jesting, joking, nonsense, silliness, waggery

boisterousness, rambunctiousness, rowdiness, rowdyism, 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

bluff, feint

cheating, chicanery, cozenage, craft, cunning, deception, duplicity, fakery, jugglery, legerdemain, skulduggery (or skullduggery), subterfuge, swindling, trickery

fraud, hoax, sham, swindle

blind, front, smoke screen