by Lumpy T October 23, 2017
To infer that someone's cognitive function is on the lower end of the spectrum by alluding to "Sped". Sonic is widely regarded as a very speedy character and sonic is an attempt to play on the word sped. Attaching Sonic to the brain means sped brain for lack of a better phrase.
*Plays game*
John: "Kill him, he is one shot."
Bob: *Misses every shot*
John: Do you have sonic brain?
John: "Kill him, he is one shot."
Bob: *Misses every shot*
John: Do you have sonic brain?
by Pogopawee March 19, 2021
Doing a lot of things that require your brain.
Tomorrow has to be all business. 10am office hours for chemistry, then study 3 chapters of psychology. I’m going to be so brained out.
by dramastace May 03, 2016
A non skilled Rainbow Six Siege player who shoots his or her own teammate. Usually referring to the intelligence level of a pig.
by Jack Salty March 20, 2017
Hunter has a shoe brain.
by thatweirdloser September 11, 2022
by TauntaunandJ January 19, 2018
I decided to drop brain to prank my roommate, but then his girlfriend came through the door and things got awkward.
by Small Jerry June 10, 2018