Someone who is so stubborn and arrogant they lose all sense of reality. They are fully entitled to everything, and will lie, steal, and belittle people until they get what they want. They are the worst of humanity, and a mistake of the highest order.
Did you see that he stole the map?! Totally a shaneman!
One who works an extremely rigorous schedule of both academics and extracurriculars. Education wise, they are usually the top of their class. Physically, these people cannot be matched both in terms of appearance and athletic ability.
This is derived from the supervillian of an educational comic series that teaches math to children. He wears a blue morphsuit and can transform himself into a wide range of geometric shapes that are always blue and always have the same volume.
Last night Andrew turned into the Shapemaster again and entertained the crowd by forming a variety of hexagons and parallelograms.