What does it mean when a thread has the plagued tag?

[Neodanthril]

Title

 

[卐卐卐]

I'm guessing the degrees of disease-age tags mean how heavily the original subjects are involved in shitting it up

 

[DoNotFeedTheSneed]

it means a community watch thread has been entirely taken over by members of said community

 

[Pagan Min]

It means that if you spend more than 30 seconds in that thread, you WILL develop the Bubonic Plague. Beware, and remember to wear your hazmat suit!