(n) 1. A Dugan is the name given to a person that always acts as if they are the smartest person in the crowd, yet are of low intelligence.
2. A person that acts simple minded, attracting attention to themselves by being goofy, in many cases could be smarter than they appear, but have no social graces.
We hung out at a perty with a few people last night, that one guy was a real Dugan.