vampire brain

1. (noun) a type of brain which functions best when the Sun is out

2. -ed (verb) to have planned or thought of at night time ONLY.

3. -ed (adj) a person who has vampire brain; a person who functions best at night; a person whose brain shuts down when the suns comes out; a genius at night

Examples:

Don't talk to Harry in the morning, you won't get any good ideas from him. He has a vampire brain.

"That movie was soooo awesome! I heard it was vampire brained."

The vampire brained girl panicked. She was running out of time, the sun was about to rise and her article wasn't finished yet.

by SlightlyBipolar August 13, 2011

boy brain

not thinking beyond your dick or your stomach about the impact of your actions on other people

my boyfriend doesn't realize it's our anniversary today. he is suffering from boy brain.

by truthbombdropper March 18, 2014

Boner-Brain

When ones intelligence level decreases as blood flow levels lower in brain to accommodate the needed increased flow to the penis during a erection.

I can't do math right now, I totally have boner-brain.

by JDiddy2Pretty November 11, 2015

Pregnancy brain

When your math teacher can’t teach no more

I searched for my keys in the refrigerator, must be my pregnancy brain

by Penisluver27 May 11, 2018

Boy brain

When a guy says some outworldly primal shit that can only be construed as an act of machismo.

This guy was telling me of how it's his dream to die in WW3. What kind of boy brain shit is that?

by Mattricide June 12, 2019

Low Brain

Term used for a person with IQ lower than room temperature

Will uses internet explorer, he's a low brain
Austin is a low brain because he likes lolis

by PublicPotato August 18, 2019

Big brain

I got Big brain

Parens: Your so smart
My brain: Big brain

by Geometrydash667 February 10, 2020