Supernatural
and now, a compilation of me screaming:
"With stale _____ some mix ashes of calcined oyster-shells, for the cure of eruptions on the bodies of infants, and all kinds of running ulcers: it is used, too, as a liniment for corrosive sores, burns, diseases of the rectum, chaps upon the body, and stings inflicted by scorpions."
urine
Circular Gallifreyan - Doctor Who
Bionicles
"It is asserted that if a person is rubbed at the same moment with the _____ of both mother and daughter, he will be proof for the rest of his life against all affections of the eyes."
milk
Therapoda - Dinotopia
Homestuck
"For derangement of the stomach, it is a good plan to press the feet together, or to plunge the hands into hot _____."
water
Simlish - The Sims
Heroes
"if the intestines of [a chameleon] and their contents—we should bear in mind that in reality the animal lives without food—are mixed with apes' ____, and the doors of an enemy are besmeared with the mixture, he will, through its agency, become the object of universal hatred. "
urine
"magic" - Wheel of Time
One Power
Enochian, the "language of angels" created by two crazy British nationalists who also said the queen could and should colonize America because King Arthur was definitely there once
But anyway this is also a Supernatural reference
Breaking Benjamin
The magicians tell us, that after taking the ashes of a boar's genitals in sweet wine, the patient must ____ in a dog kennel, and repeat the following formula.
make water [urinate]
"This I do that I may not wet my bed as a dog does."
Cirth - LOTR