What is the definition of Holding Fluid?

A holding fluid is like the superhero of bodily fluids - it's a lifeline for your body, but it's also the villain of the medical world! It's the fluid that keeps you from drowning in your own bodily functions, like the unstoppable force of nature that's your body's internal bathtub. But here's a punchline for you: "The doctor suggested I take a holding fluid bath to recover from my recent existential crisis." Talk about mixing the mundane with the deeply unsettling!