yo mama sucker!
The concept of "mercuryness" isn't a recognized scientific term, but if you're referring to the properties of mercury (the element), it has been known since ancient times, with its discovery attributed to civilizations like the Egyptians and Chinese. Mercury's unique liquid state at room temperature and its ability to expand and contract with temperature changes made it an intriguing substance for alchemy and early chemistry. Its properties were further studied during the Renaissance, leading to its use in various applications, including thermometers and barometers.
Really old people took a fart that was so loud, it maked a planet!