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Definitions by 63xky

pronunciation: /ˈsɛk.si/
A stylized leetspeak spelling of the word sexy. The digits 63 visually resemble the letters SE, while xky completes the sound. Commonly used as a username, brand, or tag to imply uniqueness and appeal.
“That PC build is so 63xky.”

“He branded his projects under 63xky because it’s unique and sounds like sexy.”
63xky by 63xky August 24, 2025