People who always think about sex or think with their genital.
A: He screwed up the deal by sleeping with his boss's wife.
B: Well, he was using his genital brain!
Someone who annoys someone else that it makes their “brain melt”
“Brenda is being a real brain-melter with her annoying voice she has.”
when someone is thinking up a fantasy in their head
When your mother nags at you to do something and asks the trick question, " Are you hearing me clearly?" You reply, "Oh what? Sorry. I was at my brain beach."
A person who gains personality traits from others, or does what another person likes. Without giving the thought of doing what they like or being themselves
When you are doing something so stupid people think you're drunk on Jägermeister
Jäger Brain Meister