Definitions
1.NounAlternative form of bighead (“person with an inflated opinion of themselves”).
2.NounAn inflated ego, an exaggerated belief in one's own importance."He has gotten a little success, and a big head to go with it."
3.NounThe brain, as opposed to the penis, little head; rational thought, as opposed to lust.
4.NounThe short head of a long tail distribution.