Top Definition
The element in the periodic table with the atomic number 169. Fucknium has an atomic mass of 200.531. Its abreviation is Fu. At room temperature, Fucknium is in a gas state and has a strong scent and taste.
After last night, the atmosphere in Jim's bedroom contained carbon dioxide, oxygen, and fucknium.
by key firearm mustang December 01, 2009
6 Words related to Fucknium

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