high jinks
/ˈhaɪ d͡ʒɪŋks/noun
University
1
An old Scottish parlour game in which people were chosen, usually by throwing dice, to perform some humorous act or drink a large amount of an alcoholic beverage, with a forfeit if they were unable to do so.
2
Boisterous activity or behaviour; lively fun.
3
Tricky or waggish behaviour; mischief.