Someone who lacks intelligence and/ or just looks straight up retarded. Some would say they have a PHD in being durfee. Usually spotted in hope valley, Rhode Island
Look at that faggot ass durfologist, does he realize how retarded he looks?
A dumbo mask is when you approach your girl from behind and spread your saggy, worn out ball sack over her eyes, leaving your flacid hog hanging in front of her nose. She then looks like everyone’s favorite pachyderm... Dumbo!
Newman was out by the campfire giving billy a dumbomask. What a dick!