Definitions by Facebook user

Hyper Poster 

Person who constantly updates their Facebook status. At least 10 times a day.

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.

Hyper Poster by Facebook User August 7, 2012

(fluff)Friends

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."

(fluff)Friends by Facebook user May 13, 2009