There has to be a special sub-case of Dunning-Kruger where you recognize that you're shite at everything, but you're actually even more shite than that, even when you take Dunning-Kruger into account. Put another way, the Dunning-Kruger Effect is probably recursive.
In other news, adulthood for some of us is just a long slow process of arriving at the suspicion that we might be on the wrong side of the Dunning-Kruger divide.