Similar to karma, The Devils Share is a term used to describe a person "getting what's coming to them". Used in the television show "Person of Interest" in reference to a drug dealer who was killed in retribution for murdering an off duty rookie cop who was about to be a new father.
"He got the devils share, its the way the world evens things out. Guy got what he deserved and you wanna know how I've been sleeping? Like a baby. But thanks for letting me unburden myself.