half a brain
A very basic or minimal level of intelligence.
Meaning adapted from Wiktionary, available under CC BY-SA 4.0.
“Anyone with half a brain knows that fire is hot.”
“You do not need to be a genius to solve this; anyone with half a brain can figure it out.”
“The instructions were so incredibly straightforward that even a person with half a brain could have followed them without making a single error.”
- 01
all over hell's half acre
All over the place; everywhere.
- 02
baker's half dozen
Seven, a group of seven.
- 03
beat one's brain
To struggle to think or remember something.
- 04
beat someone's brains out
To beat someone very severely (especially in the head).
- 05
bend the brain
To be difficult to comprehend.
- 06
bird of one's own brain
One's own idea or conception.
- 07
blow someone's brains out
To perform fellatio on another person, as to give them an orgasmic experience.
- 08
brain blast
The moment of a sudden unexpected discovery.
Last updated August 10, 2026