Well a cumdumpster is that really annoying person in your life they always follow you around a make you wanna kill yourself but its all good. This person could also be defined as an
asshole on steroids. No biggy tho its only steroids its not like its weed, like
god are you sick or something. Weed is gross. Cumdumpster could also be defined as a
slut who always has cum in the vagina.