When you grow up in a small town and your popular so you believe your attractive and smart. When you have a iq under 100 and you look like rocky dennis compared to most people.
by Jasonknowsbitches August 20, 2016
Get the Small town brainmug. that dude over there is a small brain genius, he accidentally poured some substance into whatever tf that is and created it into a new material.he is getting the nobel peace prize rn
by RadicalMuffin December 6, 2020
Get the small brain geniusmug. Pierson's small brain is another word for a brain that has been deformed. The person with Pierson's Small Brain usually have learning disabilities and wont be able to keep up with the other kids in their school.
by heypiersonwhatsup October 3, 2019
Get the Pierson's Small Brainmug.