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When a guy says some outworldly primal shit that can only be construed as an act of machismo.
This guy was telling me of how it's his dream to die in WW3. What kind of boy brain shit is that?
Boy brain by Mattricide June 12, 2019
When a guy exhibits behaviors of a young boy whose frontal lobe has not developed even though they are at the age where it should be developed.
He has major boy brain. Why did he not think before he said something so stupid?
boy brain by potatoglassnoodle April 19, 2024

Big Boy Brain Smart 

joe is the big boy brain smart of us all

boy...brainr0t 

"Oh yeah you know Boy...brainr0t? He is gender envy"
boy...brainr0t by Heathly >3 February 3, 2021

brainless pretty boy 

Someone who kisses himself in the mirror
He wishes everyone was as pretty as him, so he kisses the mirror to feel special and loved. That dude is a brainless pretty boy
It is said of the situation where a person has the bad luck to make contact with his testicles against an undefined surface or object, intentioned or not.
Given the nature of the word, it is more appropriate to design cases where the interaction is made with a moving object, for example, a ball.
Although it is extremely painful for the victim, it tends to be considerably funny to people who witness it.
Today in the baseball game the pitcher took a nutshot; the baseball hit him in the nuts.

Man, I just watched the funniest nutshot video ever.
Nutshot by Uberflaven March 1, 2009
Word of the Day on June 26, 2026