Derived from the french word "degueulasse" which means disgusting, "dego" encompasses anything that is cheap and sickening. A dego person is usually ill groomed and trashy. Further, he or she has haneous taste . Dego people are usually poor and dumb although there are exceptions. A dego place is somewhere grimy, dirty and filled with dego peeps.
"Look at that girl with the coach bag"
"Ugh... so dego..." (rolls eyes)