twitter zombie 

Person of notoriety declared dead on Twitter who is, in actuallity, quite alive.

Bill Cosby is the OG of twitter zombies.

twitter zombie by IronyNOW August 3, 2010

twitter zombie 

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!!!

twitter zombie by DMadoo July 25, 2009