When your Netflix stops working or connection is interrupted mid show/movie. Some cases of the Netpocaflix include getting the "wrong password" message at login or not remembering the new password you set.
In simpler terms: The worst thing to ever happen to anyone. Not even to be wished on one's worst enemy.
Paul: I barly survived the Netpocaflix when my wifi cut out mid-episode of breaking bad.
Katherine: The biggest Netpocaflix I've experienced is when my parents threatened to change the password but nothing that big