Brainis 

Has a penis for a brain

You are a brainis
You have a brainis for a brain

Brainis by Noonzy May 20, 2008

Brainis 

Brain and Penis combined. It means that ur such a fucking smart person but all you think about is sex. That's when they call you a brainis.

1. Person: Mann ur such a brainis!

2. Person: Why?
1. Person: Because ur smart but all you think about is fucking Elys

Brainis by WinkBenceUwU May 29, 2020

Brainus 

The word to describe the combined body part created when one shoves their head up their ass.

He's got NO I.Q., he's a walking brainus.

Brainus by Phuqit November 12, 2006

brainsplain 

A mental health professional explaining to a patient the reason the patient does the things they do.

I went to the headshrink the other day and he tried to brainsplain to me why I yell so much. Who does he think he is? He don’t know me!

brainsplain by Bogrimm March 11, 2018

fucked her brains out 

When a man fucks a woman so good she orgasms multiple times, trembles/shakes uncontrollably, is unable to speak properly and needs to sleep afterwords to recover.

Ted: Fucked me girlfriend last night good and proper, she couldn't speak properly afterwords.

Bob: Thats because you fucked her brains out man.

Ted: Fucking right i did!

fucked her brains out by Retro-Cat August 20, 2016

brains and brawn 

A term meant to describe the unusual and rare type of person capable of obtaining both considerable intellectual prowess and desirable physical attraction.

Mother of Woman: Well he sure seems like a keeper Betty, what does he do for a living?

Woman: He is head of the country's foremost research organization on time travel and accelerated particles in neurology. (Satisfied look on face)

Other Woman: Hubba hubba , Brains and Brawn. (Raised eyebrow)

Mother of Woman and Woman in synchrony: You keep your cookies to yourself for once Margaret!

brains and brawn by Richard Groot October 23, 2018

beat the brains out of the little soldier 

To jerk-off purely out of sheer sexual frustration or desperation.

"Man, that ho at the club was grinding on me for like two hours, then she left with my friggin' roommate! I gotta' go beat the brains out of the little soldier!!!"

beat the brains out of the little soldier by richard vendor October 22, 2012