When someone says the same thing you were thinking.
Ricky: That slime looks like a Ditto
Jesse: Brain couch. Get off of it.
When a male is thinking with his genitalia not clearly or logically. Baby batter (semen) clouds the thoughts in the brain.
Mate I can’t believe you slept with ***** you must have had batter on the brain
A term to describe a medical process where a doctor has surgical access to a patient's brain via tube or through the skull, and unloads his semen into the brain cavity, effectively "washing" the patient's brain with sperm.
I did a Brain Wash to JAMIE!!!!! She fucking DIED!!!!!! GIGGITY GIGGITY
Someone who is inherently extremely below-average intelligence and can be seemingly assumed to be as dumb as bark.
Damn, that dude Jordan really is a bark brain... He put jam in his toaster...
CNN, MSNBC, NPR, AP. A person with a worldview that is almost strictly made of information from the news networks listed above. Often easily offended while discussing politics or the economy.
Don't mention politics around the new hire Jim, she is super nice but has "alphabet brain".
The fuzzy logic that dominates your thought process on a Sunday, usually the result of a long Saturday night.
Rob: Yo Liam, why did you order chicken fried steak from the 5-point. Bad order man. What were you thinking?
Liam: I dunno. Sunday Brain I guess.
Slang term for not only testicles, but the tendency to act based on lust rather than good sense or logic. ie, "He's thinking with his south brain."
A: I hear Joe got Heather pregnant
B: Yeah, he was thinking with his south brain