A person who is so extremely smart, that his head exceeds the average limits of cranium size. Though not exceptionally gifted in the area looks, they make up in the area knowledge and talent.
Person #1: Hey you see that guy over there?
Person #2: Yeah, they call him Boxx.
Person #1: He's ok I guess. I wouldn't date him though.
Person #2: He's really smart though, I hear he plays guitar too.