Koofi Slappa Share definition Flag one who slaps kufi's, hats or anytype of head gear off of ones head as the ultimate sign of disrespect. you see him slap his hat off? thats a koofi slappa Koofi Slappa by Reggie Rockswell September 23, 2004 0 0 Get merch Get the Koofi Slappa mug. Buy Now — $32.95 See more merch