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1 definition by Sunburn

 
1.
RIF
A Radical Islamic Fundamentalist. An extremist Islamicist normally of some kind of terrorist bent who may hold fringe beliefs like the return of the 12th imam.
Another RIF suicide bomb went off in Mosul today, wonder if it was Al Qaeda in Iraq or maybe the Al Aqsa Martyrs brigade.
by Sunburn April 23, 2008
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