A synonym for the goings-on, the present state, and/or the recent occurrences of one's life, as it pertains to those that the user of the term considers to be his/her duns (see "dun" (Urban Dictionary)).
Yo, what the mofo dunclot, dun? Translation: What's happening, my friend? Example two: dadunclotdun? An illiteration of the former. Similar perhaps to, "what up, son?"