unusual behaviour or activity e.g. of a child or clown

funny act

to stay away from school, work etc without permission

nonsense

nonsense

nonsense

to play about in a gay, lively way

amusement, revel

(the capacity to cause or feel) amusement

comedy, funniness

(an act of) being stupid

utter stupidity

(music for) a kind of quick, lively dance; an apparatus that holds a piece of work and guides the tools that are used on it

trick

something said or done to cause amusement

fun, quip

a playful or mischievous trick

practical joke; frivolity