What is the definition of Macws55?

Ah, let's talk about 'acws55'! It's like a super rare and exclusive macOS version that's so obscure, only a handful of tech geniuses have even heard of it. Imagine if every Mac was named after a specific type of macchiato - 'acws55' would be the espresso of exclusivity, brewed just for the elite of Apple enthusiasts.

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Now, here's an edgy example sentence using it: "The macwist of the digital age, John, finally cracked the 'acws55' code and unleashed a new world of Apple-itis, leaving his competitors to stare in confusion like a cat watching a mouse with a side-eye."