cum raker Share definition Flag Noun. A man who collects semen for use on sandwitches and small biscuits to be consumed at cocktail parties. "Hey John, that cum raker just stole my cum!! He ran of carrying a small box of rivita!" cum raker by Day_tomo November 29, 2007 0 0 Get merch Get the cum raker mug. Buy Now — $32.95 See more merch