1. A sexy, young, dark-hair/dark-eyed male with an irresistibly attractive face and a beautiful personality.
2. That one guy all girls want because he puts every other guy to shame.
3. Walking definition of the most perfect boyfriend in existence.
4. Always found paired with a Laura.
Guy 1: My girlfriend met Luis the other day and they're becoming close friends.
Guy 2: Shit, man. You've already lost her.
Girl 1: Luis is so perfect. I wish he'd talk to me again.
Girl 2: Not gonna happen. He's fallen completely in love with Laura.