Mr. Materials

Mr. Materials is a way to describe someone that carries an odd behavior, or has odd things with them in any particular situation. It can be used in a good and bad way. A good way to use Mr. Materials is to describe someone that is very passionate and "nerdy" about a subject. "That camper is Mr. Materials, he has everything from a titanium spoon to a waterproof stove." People that stick out to you that give you the gut feeling of "oh, that guy is a total weirdo in a social situation. He's a Mr. Materials."

"John Mayer is Mr. Materials. He has over 20 million dollars worth of watches."
"Look at that crackhead screaming down the street rolling in a wheelchair, they're Materials."
"That guy has a fanny pack on, he's definitely a Mr. Materials."
"That kid acts like he gets all the girls when he doesn't even get looked at. He's Mr. Materials"
""That guy that talks up his Honda Civic, he's Mr. Materials"
"My Dad is anal about everything, whether it be safety or picking up trash on the side of the road as he sees it. He's knowledgable about the most random shit, and acts intensely about subjects he's interested in. He's a Mr. Material"