A brain genius is what you get when you cross a rocket scientist and a brain surgeon. Can be used sarcastically, or as an actual compliment.
Guy 1: We should jump off the roof!
Guy 2: Yeah... great idea brain genius.
Guy 1: No, we don't have to buy a new one, we can just duct tape it.
Guy 2: I didn't even think of that! You're a brain genius!
Guy 2: Yeah... great idea brain genius.
Guy 1: No, we don't have to buy a new one, we can just duct tape it.
Guy 2: I didn't even think of that! You're a brain genius!
by AGun June 19, 2010
Get the Brain Genius mug.that dude over there is a small brain genius, he accidentally poured some substance into whatever tf that is and created it into a new material.he is getting the nobel peace prize rn
by RadicalMuffin December 6, 2020
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by Acelus April 13, 2019
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