One who tends to be a tad on the crazier side. This person is often referred to as "That crazy kid." Those who have the name Haithcox also have a high sex drive. Haithcox's are perverted and use to being joked about due to the cox in the name. Haithcox males tend to be prep/jocks and Haithcox females tend to be popular with all cliques.
Michael: Hey Will, look at that girl driving with a deer hanging out of her sunroof!
Will: She must be a Haithcox!