When a moment happens in which somebody say's something stupid or funny that you have to post it up on facebook.
Person A: Imagine if you smoked so much that your shit smells like weed, you can just get it and smoke it again.
Person B: wtf? lmfao thats a facebook
When Something halarious,stupid, or just plain dumb that somebody says that can be put of facebook for other people to share.
"You gotta call Social Sercurity on them"
(laughter bwahahahaha) Its Social Services ! (more laughter)
Dude Thats Going On Facebook