The term "Smooth Brain" refers to someone unintelligent, or an action that could be classified as unintelligent. Neuroscientists believe that the more folds your brain has, the more surface area neurons have, thus, leading to higher intelligence. However, without these folds, there won't be as large of a surface area for your neurons, which leads to idiocy, or Smooth Brainedness.
"This buttery smooth brained idiot stuck a goddamn fork in the power outlet."
"That was the most smooth brained sentence I've ever stumbled across in my 25 years on this planet."
"That was the most smooth brained sentence I've ever stumbled across in my 25 years on this planet."
by Imagine Being Smooth Brained June 12, 2022
Get the Smooth Brainmug. To become one with the smoothness
bartholomew: *becomes smoothness god*
jack: holy fucking shit
bartholomew: *gives jack smoothie* enjoy the smoothness my friend
jack: holy fucking shit
bartholomew: *gives jack smoothie* enjoy the smoothness my friend
by fucking dio August 3, 2023
Get the Enjoy The Smoothness My Friendmug. A white girl with silky soft skin and a juicy f*t ass, sultry eyes and a great sense of humor, loyal.
by Chrisper June 20, 2016
Get the smooth stearing wheelmug. Smooth brain is an insult that refers to an unintelligent person. Supposedly, the intricacy of one's knowledge is represented by the wrinkles on their brain. If their brain is smooth and lacks wrinkles, their knowledge lacks intricacy, and they are therefore stupid.
by GenericGuy3456 May 25, 2024
Get the Smooth brainmug. by Rinzi February 6, 2018
Get the smooth like buttahmug. by Arielsmitty  November 7, 2023
Get the I’m Smoothmug. The art of penetrating a person , after applying the right amount of liquor. Can be combined with roofies.
Jack: Steve made a smooth entry last night.
Peter: Did you sell him the roofies?
Jack: Nah, he used booz this time.
Peter: Did you sell him the roofies?
Jack: Nah, he used booz this time.
by Deemeister February 25, 2011
Get the Smooth entrymug.