when the logic of a statement is non sequitur i.e. logic fails to follow.
alex:"no dude. masturbating is wrong because u r losing ur seed. thats why i hump fat black girls till i bust in my pants."
jon:"dude, that is some dvorkinian logic"
Zander:"dude, my plan was to look super desperate to all the girls, so that the other girl would see that i'd take anyone n then she would want me even more"
Mo: "bro, thats some dvorkinian logic"