IFKI Share definition Flag Short for 'I f*cking Knew It'. Best used with lots of exclamation points. Useful for Twitter. "Gulf oil spill: Moratorium judge owned shares in 17 oil & gas cos.." // IFKI!! IFKI by whatsamatta_u June 28, 2010 0 0 Get merch Get the IFKI mug. Buy Now — $32.95 See more merch
