n. Someone, who by looking at them, it cannot be deciphered if that person is a dumbass or dumbfuck, so he or she is probably both of them.

someone every thinks is retarded cause he always mumbles to himself and when he sees a hot girl he looks a guy and says "Hello". People are nice cause they think hes mentally challenged

Mainly teenage boys who collect nudes from other girls and watch porn for a living. They think they are top shit but the truth is they ain't and everyone hates them.