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Small brain

When someone is a small brain they are not smart and have the smallest of brain's. People with small brain typically are named Roger and Bo.
by WhyAPenny November 1, 2019
mugGet the Small brainmug.

Brain Hack

To absolutely confuse or surprise someone, deliberately or otherwise, the the point of speechless amazement.
This happens often during such times as: Watching a far more skilled person than yourself perform an act, talking to a greatly profound, or possibly idiotic person, or most often, after a really, really good magic trick.
While watching that David Blaine special on TV, I got brain hacked, like, 20 times. How does he do that!?
by f1g_n3wton September 11, 2009
mugGet the Brain Hackmug.

Brain Freeze

The act of sticking your penis in a woman's ear and icing into her brain cavity
"Yeah my girlfriend still wants to stay celibate but that doesn't include ear sex, so i gave her a Brain Freeze"
by mnm7431 November 21, 2011
mugGet the Brain Freezemug.

Bird-brained

Wise, intelligent, graceful and humble. Eco-minded, environmentally conscious.
The bird-brained scientist found a solution for worldwide pollution and deserves a Nobel prize.
by Ben Frank October 19, 2019
mugGet the Bird-brainedmug.

bird brain

really dumb and ugly males who scratch their testicles al day long and like to interact with other bird brains. Hobbies include xbox,shooting,talkin about xbox and talkin about shooting...NOW NOW NOW NOW
ur bird brain is acting like a bird brain..
ur bird brain is being stupid!!!
by non bird brain January 27, 2011
mugGet the bird brainmug.

shit for brains

Man i just met the biggest shit for brains ever! Really? yeah he was worse than Donald Trump! .. Very Doubtful!
by Ameircaa September 9, 2016
mugGet the shit for brainsmug.

Brain Baby

Anything with an overly large head, or anything that looks top-heavy in any way.
Man, did you see that psychobilly, brain baby thing over there? it's head was all greasy and stymie like rubber johnny's.
by Angus_for_president December 27, 2007
mugGet the Brain Babymug.

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