blujah is the name of the mind-altering potion imagined by Rebecca J. Cunningham for her Loot Trilogy, published 2002.
Here is the first authentic description of blujah:
‘Blujah was the combination of root sap and pure alcohol, and one of the many recipes he had acquired from the men who worked on the Coast. This evening, Bug mixed sweet, dark sarsaparilla to alter the balance of the taste, trying to loosen and float on the changes . . .