👉 The word "zip" is not exactly defined as being the smallest unit of measurement in the world, nor does it have a specific meaning in every language. It's like defining a term that doesn't exist.
In informal conversation, if you wanted to make a joke about how small and insignificant the 'zip' is, you could say, "I know it's tiny, but who can see it? But hey, I'm not going to admit it." For an edgier response: Imagine you're at a party, and everyone else is talking about how cool the person you're with is. You notice they're wearing a zip-up jacket. What do you do? You ask, "Is this the zip or the button?" The person looks down at their hands and says, "I don't know if it's the zip or the button." This joke highlights the absurdity of trying to understand a concept that isn't even defined by anything we've learned in school. It also adds an element of humor to the conversation, as everyone else is making fun of your confusion.