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2 definitions by Misterdoe

 
1.
That which cannot be obtained; theoretical but not yet real.
It may have come from the movie "The Core," when Delroy Lindo is describing the ship needed to go to the Earth's core, which can only theoretically be built. When someone asks him what it would be made of, he said, "The real name has 37 syllables, but I just call it... unobtanium."
by Misterdoe February 08, 2005
 
2.
An actual energy drink, according to a recent issue of National Geographic.
See this? (shoves can in listener's face) I'm about to open up a can of Whoop Ass.
by Misterdoe February 08, 2005