blonde brain 

F**king retarded, or not knowing something simple.

Guy 1: (whispering) Psst.. Hey man, whats' 6 plus 1?
Guy 2: (also whispering) It's seven, you blonde brain....
Guy 1: Bitch please.

blonde brain by GrapeRape69 May 29, 2014

Train Brain

Similar to road head, train brain is getting a blowjob on an extremely crowded train.

Carl: Dude, I got the sickest train brain yesterday.
Chad: Nice, what happened?
Carl: I ended up cumming on the guy standing next to me and getting kicked off the train.
Chad: Gnarly.

Train Brain by Thefuckersattheendofthetable May 6, 2015

Koens brain 

A smart thing in koens brain normally insanely smart but can be really dumb! although he is very nice

koen has such a big brain its a bit bigger than mine though we should call it koens brain

Koens brain by Koenhasabigbrain December 4, 2018

Pickle Brain 

When your built like a moose getting rammed by a deer while it's being cut open by a hunter with a baby eating its insides

Shut up pickle brain.

Pickle Brain by Pudp February 27, 2020

peanut brain 

A dumb-ass who is incapable of understanding basic concepts that come naturally to the majority of the developed world. An individual whose IQ is within 10 points or above 100.

That peanut brain called a timeout even though they had none left.

peanut brain by sandlot03 March 3, 2021

brainable 

an adjective used to describe a girl who you would let suck your dick but nothing else.

i wouldn't fuck her with your dick... but she's brainable.

brainable by skap-a-phobic August 12, 2006

Brain Tickler 

to be satisfied with what you are hearing or feeling

1)The way Monica touched me was a real Brain Tickler.

2)The Shrek soundtrack has a bunch of good songs, it is a real Brian Tickler

Brain Tickler by Jroy October 17, 2004