friend with details
Your best buddy that remembers most everything, big or small, about your life (i.e. where you were born, when your birthday is, how many sisters and brothers you have, etc...).
Duder 1: "You know that foreign kid? Yea right, how?"
Duder 2: "We met like 10 years ago. Don't even try to test me dude. He was born in Orlando, moved to Catania, Italy, came back here during middle school, has one full blood sister, his middle name is Darin, he only dates asian girls and he's scared of spiders. I'm the friend with details, holla!"
Duder 1: "Holy shit dude!"
Duder 2: "We met like 10 years ago. Don't even try to test me dude. He was born in Orlando, moved to Catania, Italy, came back here during middle school, has one full blood sister, his middle name is Darin, he only dates asian girls and he's scared of spiders. I'm the friend with details, holla!"
Duder 1: "Holy shit dude!"