Information that you don't mind sharing with the rest of the world.
Aka Fb material
Person 1: Hey I think i saw you and Janet the other day in the park.
Person 2: Yeah, keep that within yourself for a while man. Our relation isn't ''Facebook material'' yet.
Usually a picture that is taken, reviewed, and agreed upon as being Facebook worthy. Often accompanied with words like totally, clearly, or sooo not.
"That picture is totally Facebook material."
"Ugh, I look like a bug in that pic... that is definitely not Facebook material."