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1. n. The best kind of drug. It gives you the perfect high, and makes you really hyper and happy! Never depressing.

2. adj. Delicios, very delicious.
1. Person 1: Hey want some libbium?

Person 2: Hellz yeah, libbium makes me see unicorns that poop rainbows!

2. Person 1: This cookie is libbium!
by Dr. L. February 25, 2010
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