Tattoo Brain

The utter lack of any brain power or ability to think straight after a long tattoo.

After being tattooed, Jane was unable to count her cash due to a case of tattoo brain.

by Inkybynature October 13, 2018

Brain Blind

The inability to detect intelligence in a friend or acquaintance.

So, I was tryin to mack on that girl from the suburbs all night...really talking up that grant I just received. She's totally brain blind, I guess she went home with that guy on the motorcycle.

by shtooops November 15, 2009

Drop Brain

“Dropping” or showing your nutsack “brain” in a casual manner to prank or surprise others.

I decided to drop brain to prank my roommate, but then his girlfriend came through the door and things got awkward.

by Small Jerry June 14, 2018

Rock brain

When you brain is as useful as a rock.

Man, after hitting that blunt I got mad rock brain.

by Gwilz November 5, 2018

pebble brain

THE BEST ALBUM LITERALLY EVER ?/!:!:$:?.$.$:!:$,!/&.&/&7;

person 1: “what are you listening to?”

person 2: “the bangiest banger in the history of bangers, pebble brain, lovejoy’s new album”

person 1: “stop talking about banging, i thought you were a virgin”

by skveiy October 21, 2021

Calculator Brain

Somebody who can do complex math equations in their brain in a matter of seconds.

Person 1: What is 356x751?
Person 2: Uhhhhhhhh
Person 3: 267356
Person 1: What a calculator brain.

by skmad1212 June 28, 2013

Brain of stone

To be Indecisive.

Or unlikeable; selfish.

" Is that Vanessa? I heard she has a Brain of stone!" I heard too.

by hollowlungs October 27, 2022