The Onion is well-known for its ability to create humorous fake news stories that still manage to comment on the truth of contemporary experience.
Though, not everyone knows that. Like these users on Facebook, who seem to honestly share Onion news headlines with their friends, who are equally disasstisfied.
Literally Unbelievable catalogs the reactions. The site only seems to be about a week old, so there's only a few stories to which the Facebook users react to, but this seems like a worthwhile one to bookmark. Things could get hilarious.