Sif 

An abbriviaton for AS IF, used by smashed crabs and ppl who want to act like smart arse's

Nup sif think your a mass Judd

Sif by Davidos May 14, 2006

sif 

(as if) a word used coz ur a lazy kunt and can't b fkd saying a whole sentence.
sif pretty much substitutes ur grammer

1.sif grabs my balls (no comment)
2.sif say sif so much
3.sif not say sif so much
5.ur face is sif
6.sif sif
7.sif gurls use sif now days..sif !

sif by six8six April 4, 2005

Sif 

Afrikaans word for being "off", like a pervert or something disgusting, like taking a sip of beer that had a sigarette bud in it.

Nooit broe, don't be sif!
This floater is sif!
Your mother makes sif samies broe!
That old guy outside the kindergarden is a sif bastard!

Sif by Ozzmars October 10, 2008

sif 

Commonly means Shut it fag. Old school slang.

sif noob, hey you sif

sif by pr0n April 16, 2005

Sif 

(or 'Saf')An individual of South African nationality. Origin: due to the accent of such a person, pronouncing South Africa as "Sif Ifrika".

"I'm off on holiday to visit the Sifs"

Sif by Ronny St Papps December 23, 2004

Sif 

An idiot

Pete left everything out in the rain again- what a sif.

Sif by DjRoxy January 21, 2015

SIF 

SIF means "Seat In Front."
It's a term used by unicycle riders to describe a way of doing a trick with the seat in front of you rather then the seat under your butt.

Example: "If you do the hop SIF, you can get more height."

SIF by Ivan J July 23, 2008