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Boner-Brain

When ones intelligence level decreases as blood flow levels lower in brain to accommodate the needed increased flow to the penis during a erection.
I can't do math right now, I totally have boner-brain.
by JDiddy2Pretty November 11, 2015
mugGet the Boner-Brainmug.

Mother Brain

1. Enemy of Samus Aran in the Metroid games "Metroid" and "Super Metroid," Mother Brain is the presumed leader of the Space Pirates and, together with her winged colleague, Ridley, poses a great threat to the Galactic Federation. Armed with her vast intelligence, she seeks to manipulate the power of the Metroids to her advantage.

Typically depicted as resting immobile in an armored case, Mother Brain has also developed other means of defending herself. In "Super Metroid" she demonstrated her combat ability through an enormous bio-mechanical bipedal body- the use of which granted her the mobility she needed to bring her energy beams and bombs to bear against Samus.

Mother Brain was responsible for the slaughter of the "daughter Metroid" of Samus Aran at that same confrontation, adding to the acridness in the feud between the two.

2. an intelligent, reclusive person who remains somewhat guarded and isolated; tends to shy away from those less intelligent than them
1. The Mother Brain killed my babyyy!!!

2.

-Where is Margie?

-She's at the library again. In the basement.

-She's such a Mother Brain!
by Mama Brain's boy May 30, 2011
mugGet the Mother Brainmug.

brain fuggler

by sabastard September 3, 2009
mugGet the brain fugglermug.

toss brain

noun, derog. an idiot, literally a wank brain or a person whose brain is capable only of masturbation
"Stupid toss brain can't count his nuts twice and get the same answer."
by kiwimich January 30, 2006
mugGet the toss brainmug.

brain ninja

Title given to girls by comedian Dane Cook. Girls have the power to fuck with a guy's mind by saying something so simple that it eventually drives them crazy.
Girls are brain ninjas! They know how to get in there with their katanas and cut ya! And then disappear into the night!
by brainninja14 December 1, 2009
mugGet the brain ninjamug.

Fart Brain

1. Someone who's head is devoid of nominative brain tissue. Similar to the more common air head the cranium of the subject contains nothing but gas. However in this instance, the gas inside the cranium consists mainly of stinky gut methane.

2. Someone who consistently brain farts.
"I admit that I slept with your best friend, honey but honestly, it didn't mean anything."

"Why don't you just fart off, fart brain?!"
by deadestfish May 3, 2009
mugGet the Fart Brainmug.

brain duster

(noun) Canned air used primaily to clear your keyboard from dust. Used as an inhalant it is known as Brain Duster. User will experience a feeling of blacking out. Use over a long time in a single sitting user WILL hallucinate.
Joe "man i'm all out of beer"
Moe "it's okay man, i've got some Brain Duster"
by BoJiggles September 4, 2006
mugGet the brain dustermug.

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