Hackney Hankie Share definition Flag A discarded tissue covered in excrement; probably by a heroin addict, found on the path in Hackney “Fed up of having to dodge those Hackney Hankies when I’m out walking” Hackney Hankie by GinChugger July 6, 2019 0 0 Get merch Get the Hackney Hankie mug. Buy Now — $32.95 See more merch