Graft Share definition Flag A long process where one persistently flirts and talks with a girl via text, msn, facebook etc. until you (eventually/rarely) "tap that ass". "Joe is a grafting machine! Everytime I see him he's texting some female..." Graft by EWS16 January 18, 2010 0 0 Get merch Get the Graft mug. Buy Now — $32.95 See more merch