Doing something utterly stupid.
Mark is so fucking stupid, he must of ate a big chunk of brain damage today for breakfast.
7👍 8👎
Usually retarded people that thing their smart but their not. They usually have small brains and just say they have big brains to make themselves feel better.
I'm big brains and i have a 69 average.
Used to describe someone who actually does something smart.
Extremely large brain. Usually named Lily.
Basically a person with a very large brain that has hella smart stuff.
Random dude: what’s 42+27?
Lily: 69 🧐
Random dude: damn you hella big brain
Big-brain, (Which can also be spelled without a hyphen,) means smart, intelligent, and is usually used when someone says something witty in an argument.
Maddie is really big-brain for saying that!
Or
Maddie is really bigbrain for saying that!