Down Syndrome Monkey. A person who is called DSM is usually given the birth name of Logan. DSM’s often can’t understand what people are talking about and makes stupid comments. It’s the more polite way to call someone retarded. No cure has yet to be found.
Me: “(points to a drink in a store’s fridge) I’m going to get one of these”
DSM is an acronym that stands for “Drugs, Sex, Murder” usually about the impacted life problems by those 3 categories, or what is the formula of new songs!
“Oh god I love Taperoid's music! They usually contain DSM!”