1: Someone with a brain so f-en big, it literally makes them more dumb than smart. 2: a dumb ass nerd

When you do something smart for once in your life. overcome a problem with a good solution

A saying only big pp boys say because their brain has been enlarged by the big pp information

Usually retarded people who say their big brains to make themselves feel better or have a small brain.

"Intelligent , Smart, etc."

A person who is a intellectual who has an IQ of at least 5000.A way to become a big brain is to watch all the Rick in Morty episodes.Some very popular big brains include Markiplier and PewDiePie.

This is big brain time - markiplier