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To steal or borrow an item
"Can I saff that pen from you José?"
by The JKR November 20, 2008
When someone takes a sip of beer at a party and sets the can down, leaving an almost filled beer on the table.
Dude I just found the biggest saff lying on the table. It is my civic duty as a party guest to chug it as fast as possible. I MUST KILL THE SAFF
by chiran September 30, 2009