The word is slang. The meaning is basically like "bye" or "cya".
John: Alright I need to finish my work sfe.
Dan: sfe.
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Did you see what the SFE did today? It's hard to believe he gets paid to "Engineer".
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Sfe = Safe which is slang for good bye or k
Boy- hey can u get me some milk
Girl-sfe
Boy 1- hey I got to do my home work im gonna go
Boy 2 - sfe
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Sfe means safe as in whether something is well secured and protected or you are safe witha person.
nah he wont do say anything he is Sfe
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Acronym for "So Fucking Evolved."
"Oh right. As if you are SFE."
"I handled that situation so well. I am SFE!"
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(s)tupid (f)ucking (e)mo (s)lut.
person 1: "oml she's such a sfes"
person 2: "what's a sfes??"
person 1: "stupid fucking emo slut"
person 2: "oh yeah you're right."
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"Yeah, I didn't think adding those interactive fields would be SFE."
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