numbskullery en · NOUN
Etymology
From numbskull + -ery.
Meanings
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(informal, uncountable) The behaviour of a numbskull; foolishness; stupidity.
More than once you've even tried to make me feel better about my frequent numbskullery, tried to comfort me in a tender way when I've spilled a glass of orange juice or run into the door jamb with my forehead.
2012, Heather Armstrong, Dear Daughter: The Best of the Dear Leta Letters, Gallery Books, →ISBN, page 100:For every tuneful pop incision like "B-350" or "Chances Are," there's a lump of numbskullery like "Superman Is Dead" ("Now that Superman is dead/ Who will kick ass" — gee guys, I dunno, but if you're that worried . . .) […]
1997, Ira A. Robbins, The Trouser Press Guide to '90s Rock, Simon & Schuster, →ISBN, page 820:I felt just as I had at seventeen, the fumbling numbskullery of a boy in love without a brain in his head, […]
2002, Douglas Clegg, The Hour Before Dark, Leisure Books, →ISBN, page 167: