It means those are new from the last time you viewed the thread. So if you see a thread that says (3 new) the new ones will have that greyed background

They’re communists, but not your every day “people should hold the power” communists. More like “tianenmen never happened, and if it did it wasn’t that bad” type

“Wanna come back to my place and play house? You can be the door, and I’ll slam you.” - Joe Barbaro