Definition of Marco
One of the greatest guys you will ever meet. Gentleman, and is very good at [treating] women with respect. Genuinely nice to everyone he meets, and is very forgiving. Usually the guy who plays pokemon like it's his religion. He's [contemptuous], however not in a rude sarcastic way, but a funny sarcastic way. Has an incredible taste in music. Commonly tall, and athletic. Enjoys running. A Marco is a funny guy that you could joke with anytime. Always there to be a [shoulder to cry on] whenever you meet him. If you meet a Marco in your life, keep him there for as long as you live.
Example
Did you [meet] [that guy over there] yet?

Yeah, he's a Marco [for sure].

Definitely.