Big brain

When somebody says something smart or comes up with a good idea.

You use use the term big brain to agree, be sarcastic, or let the person know that they have a good point.
John: “ instead of buying one Small Arizona for 1 dollar you could get two big ones for 2 dollars

Bill: Big brain
by Symbols December 17, 2021
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Big brain!

Originating from pewdiepie and cinnamon toast Ken's minecraft skyblock letsplay, this is used in situations where one individual does something profoundly easy after struggling, or just want to sarcastically talk about their IQ being high while doing small brain things
*Pewds and Ken finally make the cobblestone generator*

Pewds : Big brain!!
*cobblestone generator breaks*
OwO
by Nineyearold123 August 09, 2019
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big brain

when someone is so stupid theyre actually smart
person 1: omg this isnt a table its a window omg
person 2: big brain
by chingchongyouhaveasmalldong October 15, 2019
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Big brain

Means that you’re really smart. If you get called big brain then you’re lucky to have been called so. So now you guys use that brain power!
Person 1: I still can’t figure this out...
Person 2: Wait a sec if I do this... annnd this!

Person 1: NO WAY!!! That was so big brain!
Person 1: Thank you so much, right, let’s go!
by Three-finityBits December 07, 2019
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big brain

Sarcastic reference to people especially politicians, journo's, pundits etc who profess to great wisdom and use college words to show how smart they and how dumb the rest of us are.
Listened to some big brained nibba on the TV last night explaining that boys are better at Physics cos they have willies and are used to handling the fluid dynamics of their urine. Tosser
by FashyKen October 05, 2017
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Big brain

A person that Has said or done something go really smart
Omg we can save the cat by calling the firefighters said billy bobby replied omg yeah. Billy said haha I have big brain
by BiggieBrainy September 12, 2020
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Big brain

Parens: Your so smart
My brain: Big brain
by Geometrydash667 February 10, 2020
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