This tag is used to indicate that a post's revision at the source is bad, and should not be uploaded.
A revision can be bad for any of these reasons:
Note that this tag is supposed to be used on image that are already tagged with md5 mismatch, not on revisions that are actually already uploaded. Images that use this tag should also have some amount of visual identity or sameness, and this should not be tagged on images that are actual revisions even if they are smaller resolution (post #2561932, post #2749109) or deficient in other respects.
See md5 mismatch for more information on uploading revisions.
The following tags are aliased to this tag: bad_revision (learn more).