Ernie Headsize

The type of student that knows it all and then some. He’s wicked smart, but always try’s to know more than he needs to. He’s an Ernie headsize. Kinda nerdy but in the Sheldon from Big Bang theory way.
Also used as a greeting when seeing them in public .

I seen Ernie Headsize today! He helped me on my homework.

Ernie Headsizzeee!!! What’s goin on!