Top definition
The shaving cream atom, supplies of which become dangerously low on Earth in the 24th & 1/2 century, necessitating a mission by Duck Dodgers to claim Illudium Phosdex-rich Planet X in the name of Earth.

Not to be confused with its unstable isotope Illudium Pew-36
"Try new Pheno-Barbasol with the healing power of Illudium Phosdex"
by Obbens October 26, 2006
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug