To publicly diss or humiliate an ex boyfriend / Girlfriend or Mate, via your Facebook page. This ensures that all of your common friends know what a pillock they have been and can join in on the fun.
I just got online and flamebooked the exvia my status update
A flameowk is a breed of mythical space creatures in the Stat Wars universe. Believed to be a portmanteau of flaming ewoks. Interestingly they are related to the ewoks.