What is the definition of Zxcvbnm123?

Let's break down 'zxcvbnm123' like a cryptic comedian cracking a joke: It's a string of letters, each with a secret life. Some are vowels (Z, X, C, V, N), some are digits (123), and one's a mysterious '' that might just be a ghost of the alphabet. It's like a secret society of letters, all with their own hidden identities and agendas.

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Now, here's an edgy example sentence using it: "The ghost of Zxcvbnm123 haunts the old library, muttering secrets only decipherable by a cat in a trench coat and a 1980s grunge playlist."