monkey business Synonyms

malicious tactics trickery treachery tomfoolery slyness silliness rowdyism roguery prank nonsense misbehaviour mischievousness jiggery-pokery shady business antics shenanigans funny business clowning sleight of hand dirty tricks high jinks skulduggery naughtiness misconduct mischief deviltry devilry deception deceitfulness deceit clownery chicanery cheating cavorting dishonesty duplicity foolery misbehavior knavery jugglery horseplay guile gambolling frolicking fraudulence fraud buffoonery