Buddy in-law

A friend of a friend of yours. Someone you have yet to meet, but is friends with your friend. Someone you share a mutual friend with. Someone you share a mutual buddy with.
Oh your friends with (insert mutual friends name)? That makes us buddy in-laws!
by brubble November 13, 2011
mugGet the Buddy in-lawmug.

SIYD

I like oatmeal, sorry if you don't.
I like oatmeal, SIYD.
by brubble May 28, 2011
mugGet the SIYDmug.