The feeling of mental and cognitive exhaustion after completely a mentally demanding task; such as a long test, similar to how Boofy’s brain acts all the time.
Gamer Booty Brain is when a man has a gamer booty (a sweaty ass) in his brain, meaning his overall IQ is lowered to about 50. To find out if someone has gamer booty brain, say to them they have it. If he does not understand, he has a gamer booty brain
When a girl is super attractive but really dumb, usually has big boobs, lots of make up and is very dimsighted.
Guy 1: "hey did you ever get with that girl?"
Guy 2: "no man, she has boobs for brains, I couldn't even have a normal conversation with her"
Guy 1: "that blows.."
When you've been fucking someone that you really shouldn't be fucking, but your brain gets all twisted about it and you think you're a match.
Douchecanoe Charlie: Fuck, dude, I’ve been banging this chick and I think I want to give her a baby.
Fucktard Larry: Shit, man. You’re fucking bootybrained. Snap out of it.
Shitlord Jim: Wat.