Someone that has to knowsomething about something or they couldn't tie their shoes.
You should be as aggressive as possible when saying this.
Matto: Did you know about it?
Anon: I don't know anything, man.
Matto: YOU DISINGENUOUS DENSE MOTHERFUCKER OBVIOUSLY YOU HAVE TO KNOW SOMETHING ABOUT SOMETHING OR YOU COULDN'T TIE YOUR SHOES!
A person (typically a motherfucker) that doesn’t know anything about what they are talking about, and they can’t take in easy to understand information.
You disingenuous dense motherfucker, obviously you need to know something about something or you couldn’t tie your shoes.