An annoying zombie that infects you from behind without asking. They are too much of a fail to get you like all the other brain-eating undead.
*not to be confused with ninja zombies who actually have skillz in creeping up on humans.
human: *standing ready to blow out some zombie guts with a shotgun*
zombitch: *sneaks up from behind and scratches human in the back* trololololololol i got you!