Definition of "Caper" :

noun: a ludicrous or grotesque act done for fun and amusement

noun: gay or light-hearted recreational activity for diversion or amusement

noun: a playful leap or hop

noun: a crime (especially a robbery)

noun: pickled flower buds used as a pungent relish in various dishes and sauces

noun: any of numerous plants of the genus Capparis

verb: jump about playfully