Goat Milk
Breast milk from a feeble old woman that hasn't stopped pumping milk from her titties since she gave birth over a century ago.
Example:
Damnit! When I was at grandma's house last weekend I reached in her fridge and accidentally drank her goat milk.
Damnit! When I was at grandma's house last weekend I reached in her fridge and accidentally drank her goat milk.