The significant other of a close friend, or the friend of a significant other.
See friend boyfriend girlfriend in-law
Taylor: So why are you friends with Corey?
Sena: Oh, because he's with Linda and she's my best friend, so Corey's my in-friend.
by Taylor N. Sena February 26, 2008
When you meet a person who is so amazingly awesome you want to be best friends with them. Almost like being in love with someone but without the love part
Omg that guy watches Firefly as well I am so in friend with him!
by mrscobb22 July 13, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×