The foolish or obnoxious behaviour of a jackass.(noun)
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Use "jackassery" in a sentence
"Professor Whitman: By Zeus, what sort of jackassery is this?"
"Most folks’ jackassery is independent of the occupant of the Oval Office."
"Maybe us guys would be less douchebags in general if we were called to ask on this kind of jackassery, rather than receiving a pat on the back and a "boys will be boys" absolution."