2 definitions by Facebook User
A great Facebook app with cute animals that happens to have an ironic title: a fluff friend is probably a friend in Facebook-name only.
"I have (fluff)Friends on Facebook!" "You mean your sister's ex's friend's cousin you added last week?" "No, it's a kitten."
by Facebook User May 14, 2009
A Hyper Poster usually updates asking a question so people would respond. This Facebook user updates every hour or so, a long with a cluster of posts within an hour.
by Facebook User March 23, 2012