It is bold and it is really dumb. Dumbassity is dumb and audacity inseparably conjoined, in the tradition of "assclown". While something can be done with audacity without being dumb, and something can be simply dumb without being audacious. When you have the combo platter, it will likely be spectacular, and perfectly described by "dumbassity”.

I have been working “dumbassity" into conversation for about a year in my social and work circles, and it is showing some traction. It rolls nicely off the tongue.
Creeping along in a line of 5 MPH traffic, he pulled into my lane of 50 MPH traffic, a regrettable move of unparalleled dumbassity.
by Rose1959 September 20, 2013
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A state of mind or culture of being a dumb ass or or involvement in a group of dumb asses
Protesters have risen to the level of dumbassity.
by TXN in DE November 21, 2020
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December the 20th is discord dumbass day

cool im going to call some nerds and say something nice to them!
hi! its discord dumbass day, now give me your fucking IQ and go dumb
by pobube December 20, 2021
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When you pretend to not be good at spelling as a joke, thats what dumbass spelling is.
Person 1: ello ter mat i use ur ban diction airy
Person 2: stop using dumbass spelling dude
by The Mushroom Man July 3, 2023
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I admit I’m a dumbass
I admit I’m a dumbass
by Gothic Miscreant October 27, 2023
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When someone is an obvious moron in every sense of the word.
Dude that girl wanted you to rail her so hard and being the dumbass Bon qui qui you are you couldn't tell!!
by The ultimate qui qui June 12, 2016
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