Sonic brain

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?

by Pogopawee March 19, 2021

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Broken Brain

The ravages of time diminish both the physical and mental capabilities of even the most gifted individuals; when one can't bathe oneself or cannot even remember that this function is even necessary, it's time to go.

Broken brain!?
Buh bye...like a racehorse with a broken leg. IMMEDIATELY; right there on the track.

by YAWA May 19, 2022

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Brain Case

noun. the human skull or head

Cory slipped and broke open his brain case all over my kitchen.

by Big Poppa Frost October 11, 2007

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OoogaBooga brain

when you do something incredibly dum

ooogabooga brain:yo I just went ooogabooga brain

by El clappo May 12, 2020

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Mercy brain

Mercy brain refers to mercy mains who one trick mercy in overwatch who don’t have the brain capacity to swap to a decent hero after their team is getting absolutely rolled by the enemy team

Teammate 1:hey mercy we aren’t getting enough heals can you swap to bap
Mercy main:No I can only play mercy moira or brig sorry ( ^ ‿^♡)
Teammate 2: typical mercy brain I’m avoiding for free sr

by iamnotAincelimAreddituser December 23, 2022

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