An unwanted app, usually pre-installed by the manufacturer, that cannot be uninstalled or disabled no matter how much the user attempts to get rid of it.
Zombie in the sense of "undead".
See also bloatware.
Zombied simply means it's on auto-pilot and has jumped the shark. That the writers have written to the lowest, cultural denominator which is now a zombie show. That the show is on it's last legs.
noun
plural noun: zombies
1.
a corpse said to be revived by witchcraft, especially in certain African and Caribbean religions.
synonyms: living dead, undead, walking dead, soulless corpse