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3. SIFF
Secret Internet Fatty Fat
Beccaboo is a SIFF.

That girl is a SIFF.
1. siff
Mostly used and originated in Southern Africa. Used to signyfy something that is disguisting, putrid or grosse.
1) Crap is siff.
2) The vagrant smells siff
by Ru Mar 9, 2005 add a video
2. siff
background as far as i know is from Australia, possily S.A.

meaning of siff is: "as if"
"siff like slipknot"
or
"siff be a gay Brenny"(look up brenny)
by poopooman Mar 20, 2005 add a video
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