Somebody who thinks they know
everything and know what they're talking about, when in all actuality, they know
absolutely nothing. They tell everyone useless facts that they
pulled out of their ass to try and sound smart. There is no convincing them that they are wrong.
Person 1: Did
you know that if you eat poison oak leaves, you'll never get poison oak?
Person 2: Um... where the fuck did you hear that..
Person 1: uh... i read it.. in a book.
Person 2: Wow..
you're a fucking moolack.