Usually retarded people that thing their smart but their not. They usually have small brains and just say they have big brains to make themselves feel better.
by gamergurlbathwater420 November 18, 2019
 Get the big brainsmug.
Get the big brainsmug. "Bro sometimes words look like they aren't real words" "Oh no bro you got brain crabs" "Oh shit bro"
by albeefo July 14, 2022
 Get the Brain Crabsmug.
Get the Brain Crabsmug. by Rizzguy111 May 3, 2024
 Get the Brain fartmug.
Get the Brain fartmug. When you cannot spend money without thinking about how much it could have been worth in 5 years if you had invested it. Related to but different than gambling addiction.
Karl: I bet if you spent 150$ taking Sally to a nice dinner she would play “hide the salami” with you
Me: Bro, I can’t... I have finance brain
Me: Bro, I can’t... I have finance brain
by RawnieJay December 16, 2020
 Get the finance brainmug.
Get the finance brainmug. by jondich March 24, 2024
 Get the Thin Brainsmug.
Get the Thin Brainsmug. A Brain will say things like - Brain reasons that pinky is important for brain's happiness therefore brain misses pinky.
by Pinky loves Brain December 16, 2008
 Get the Brainmug.
Get the Brainmug. when a low income person supports the growth of billionaires, common amongst conservative voters everywhere
by greenrush1234 October 10, 2022
 Get the Serf Brainmug.
Get the Serf Brainmug.