grime-cock Share definition Flag A term for describing a lower class, male sexual partner, when considered as a bit of rough for an upper-class sort of bird. "daddy don't approve so the posh birds love a bit of grime-cock" grime-cock by Nick Gillam June 1, 2007 0 0 Get merch Get the grime-cock mug. Buy Now — $32.95 See more merch