In Stockholm public library catalog users can tag content. And here I found one of the finest tags:
jobbig-men-bra
Loosely translated: strenuous but good
Jobbig is a bit hard to translate, the closest I can came was strenuous, it could also be translated with tough.
The tag is used to describe content like the film Dancer in the dark […]

There’s a discussion on the DC-SOCIAL TAGGING mailingslist about what so social about social tagging.
Many interesting viewpoints have emerged. It started with a question by Liddy Nevile:

I would like us to think carefully again about calling it social tagging - I suspect that ’social’ tagging has a theoretical implication - that it’s tagging […]