Skylarking
Tomfooleries, Shennanigans, Kooky Mishaps, Humorous Antics, or any kind of act that is packed full of mischeivious content.
Example:
If you don't put a stop to those skylarkings of yours, I will not hesitate to drown you in pork gravy.
If you don't put a stop to those skylarkings of yours, I will not hesitate to drown you in pork gravy.