To add someone as a friend on the popular site Facebook

someone whom is not "technically" your boyfriend/girlfriend, but whom seems to fill the traditional roles of such a position. Sort of a boyfriend/girlfriend who is not recieving benefits.

Someone who you have vaguely heard of. These people are the source of malicious gossip and urban legends.

when you're too scared to commit to your definition of a perfect girl so instead of friendzoning her you put her in a place between friends and something more so you can have your cake and eat it too

A person who is not connected to you by friendship, but is connected to you by being a friend of someone who you are connected in friendship with.

Can be used to describe a Fuck Buddy or someone you are trying to fool into thinking they are your boyfriend/girlfriend.

Someone who is more than a friend but is not technically your bestfriend.