"Dead" is when a submission was killed automatically because e.g. the domain is blacklisted. It is shown as "flagged" when too many users manually flagged it.

"Dead" is when a submission was killed automatically because e.g. the domain is blacklisted. It is shown as "flagged" when too many users manually flagged it. Users can still "vouch" for dead submissions to recover them from this fate. This might be unavailable to new users or to people below a karma-threshold.