When you don't do tweets for a while. But when you comeback you make the worst tweets ever made.
Person 1: Hey person 2 check out my comeback tweet "my fingers smells like poo, my feet smells like poo, my teeth smells like poo"
Person 2: OMFG!! Dude you're a Twitter Zombie!!!
Person of notoriety declared dead on Twitter who is, in actuallity, quite alive.
Bill Cosby is the OG of twitter zombies.