(n) Term used to describe a collection or set of shenanigans; a suite of ridiculous situations and/or goings on.
I've hung out with you all day and it seems like it has been a blur of insane, outlandish shit happening around you. Your shenaniganery is exhausting!
Noun: A collective reference for activities included in shenanigans, i.e. general skylarking or horseplay.
"I can't wait to see what kind of shenaniganery we get up to Friday night!"
A portmanteau of shenanigans and chicanery and roughly synonymous with both.
I've had it up to here with your shenaniganery, Eh! Steve!
The act of shenaningans, or complete jackassery on another's part.
Bill: What happened, man? Why were you late?
Ted: I locked my keys in my car. Then the asshole who came to unlock my car broke the door. It took 3 hours to fix.
Bill: Complete shenaniganery.