Definitions by NorCur
replacium
The element from which politicians, jobsworths, Hollywood action movies, Animorphs books and IKEA furniture are made. Most people will find it impossible to notice or care about any differences between multiple things made of replacium.
tuber
A low-class member of the internet comment brigade. Derived from intertube and youtube combined with the fact that many tubers seem to have roughly the intelligence and shape of a potato, this being a different kind of tuber. Tubers can generally be recognized by the fact that their comments bear little to no relevance to the subject at hand.