Status Shuffle Application on Facebook can provide you with a status update and says it’s “the largest collection of funny Facebook status messages on the Internet!”. The app can be found here http://apps.facebook.com/status-shuffle/shuffle.php.
Choose the tags, eg work and a status update will show that you can select and use.
Status Shuffle mentions in its FAQs that people have suggested Status Shuffle should be able to automatically setting their status for them ….. that could be dangerous! Many of the status updates may damage relationships with customers and employers.