What is the definition of Removable Fluid?

A removable fluid is like the secret ingredient in a bathroom cleaner that you can literally peel off without a second thought - or should I say, second glance? Imagine this: "When the bathroom cleaner's secret formula goes off, it leaves behind a sticky residue that's as removable as a cat's paw print, but way more disgusting."

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Now, here's an unsettling example sentence: "The janitor, noticing the faint smell of 'emovable fluid', decided to take a closer look - and found a ghostly figure of a man with a suspiciously high-pitched cough, wearing a lab coat made entirely of what appeared to be a sip of 'emovable fluid'."