The mutual relationship between friends that want to stay very close to one another until death do they part; marriage vows for your friends.
Friend: We shall become friends forever! Friendage
Friend + Manager - Refers to an awesome manager who has a good relationship with their employees.
A line friend is who you truly are inside. Your line friend is a friend for life. The friend who you made in line for the club. A line friend is your companion when you are in line. You don't use them to butt in line, you use them for friendship.
Don't be a cunt you need line friendage.