5FS
5FS definition by Slang.net - The Slang Dictionary
This page explains what the acronym "5FS" means. The definition, example, and related terms listed above have been manually compiled and written by the Slang.net team.
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5FS is a playful slang term that refers to a simple wave hello. The phrase refers to holding up your hand with all five fingers extended, as if giving a friendly wave.
In online conversations, like chatrooms, gaming communities, and social media, people often use 5FS humorously or casually as a way to greet others without typing out "hi" or "hello." While "5FS" is lighthearted and friendly, its usage is not as widespread as standard greetings, so it may feel a bit niche or inside-jokey depending on the audience.