nincompoopery
The characteristic actions that define and identify a person as a nincompoop, i.e. the things that nincompoops do.
His incessant nincompoopery was the cause of constant reprimands from his teachers.
Nincompoopery
Stupidity foolishness fuckery
That was pure nincompoopery
nincompoopery
My default state of being.
Sat he did, and marvelled at his nincompoopery. Ahh, the wonder!