Bean brain

A mildly stupid person. A step up from retard, but not quite moron.

Oh, come on, you bean brain! Everybody knows Elton John is gay!

by Bobo LaTuque May 12, 2006

Brain Bean

Adderall acquired from someone with ADD taken in order to perform better in an academic setting.

Usually I sleep through math class but since I popped that brain bean I'm excited to learn. I even know how to solve problems using formulas I don't remember learning.

by Busta C is back again July 16, 2009