(n.) mët-ro nërd. A metro nerd is a person who wears skinny jeans, square, plastic, black-framed glasses, and enjoys getting dressed up and pretty while also indulging in Indie-style clothing and nerdy things such as scientific calculators and superheroes. Guys are more often metro nerds than girls are and girls love metro nerdy guys.
Kid A: "Do you see that boy with those huge, square glasses?"
Kid B: "I see him, he's cute."
Kid A: "Yeah, and he's a metro nerd."