A certain male anatomy. It is commonly used by individuals under or usually under the influence of marijuana as a way to express their frustration at simple, everyday tasks. It is common to exaggerate the "O" sound in order to lengthen the saying of the word in order to truly show one's annoyance at life.
by cLOLin November 8, 2010
from the origin of smooth (ooth) and brain (br). one who is lacking the common brain folds, making them extra stupid. :(
by Zork Maggson March 9, 2020
by chea brah November 8, 2010