Spam Tagging

1. Deliberate taging of web posts/content e.g. search tags which have little, contradictory, and or no relevance to a users web search.
2. Accedental or badly tagged/posts/content e.g. adjectives using technical language, published media/historical artifacts implying that of the original.

Spam Tagging within youtube, information forums, help blogs...
and anything which fits the above definition.