acronym for: secret internet fatty.
molly: omg that girl is huge!
tina: i saw her pics on myspace, i thot she was skinny!
molly: wow what a sif!
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Short for "as if"
Internet slang, used lots in chat of online computer games. Some people also say it in real life now.
Some noob says: "sif you just killed me with a hs, i was behind the wall"
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A shortened version of "as if". Commonly found in online gaming circles.
Sif you know what you're doing, noob.
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(Adjective) - source : South Africa
Disgusting, gross, repugnant
"Did you see that picture of Trump naked?"
" Ja, it was sif... "
means 'as if' in the land of aussies (or mostly)
A - 'did you know that i wont $100000 last night?'
B - 'like sif'
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Secret-Internet-Fatty
Usually people who are online like on myspace or facebook or stickam cough-rachelmuffin-cough try to look skinny in pictures by doing hours of photoshop and cropping just to hide all that fat. And usually sits on cam like a dead ghost just so they dont show a roll of fat. Usually SIFs are internet zombies and spend all there time trying to look good for the internets so they can hypnotize them into thinking they are some hot 6 pack surfer dude or some big boobed emo/scene chick.
Rachel muffin sits on stickam all day as a SIF trying to get scene guys by trying to look cute and flaunting those fat breasts. And big breasts have a different meaning between fat breasts because fat breasts consists of all the stored fat from food like mcdonalds,wendys,burger king and the lack of excercise.
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Siffing is a word that you say to people who are Annoying you. No one will know what it really means!!
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