Top Definition
chucknorrisium is an element with an unlimited atomic number and atomic mass. This element has only been theorised because if anyone gets close to it, they get knocked back by a roundhouse kick to the face. Chucknorrisuim is theorised that once harnessed into a solid form it will be unbreakable, and makes anything it is attached to unbreakable. This is because the universe makes sure it cannot be broken or it will get a roundhouse kick to the face. It is belived that chuck norris originated from the first chucknorrisium atom.
"ZOMG I nearly found a chucknorrisium atom, but my microscope got destroyed"
by Sheepy123 September 30, 2009

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