What is the definition of Postage Fluid?

Postage fluid is basically a superhero sidekick for envelopes, swooping in to clean up any sticky situations that might pop up during postal deliveries. Imagine it as a superhero with a backpack full of cleaning supplies, ready to tackle any mess that comes its way, like a wet dog with a side of drama.

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But let's get a bit edgy and unsettling. Here's an example: "The post office decided to use postage fluid on the last delivery of the night, leaving behind a trail of confused pigeons and a sigh of existential dread."