A skull that is long and thin, whereby the side to side length is less than 75% of the front to back length (dolichocephalic or "long-headed"). Most blacks have long and thin heads, thus are sometimes called peanut heads. This condition is not a deformity, but merely an environmental adaptation made in order to dissipate heat.
1. A person, who's head is irreguarly shaped. Literraly, like the Planters peanut mascot. Hence the name "Peanut Head"
2. Henry Lee
3. Slur to indicate that one is acting out of character, like a newb.
Henry, why the hell do you have to be such a Peanut Head?