braintonic
nounUK /ˈbreɪnˌtɒnɪk/
US /ˈbreɪnˌtɑːnɪk/
Something that makes your brain feel awake and strong.
A good night's sleep is a natural braintonic for kids.
OTHER MEANINGS
2. A drink or pill that people believe helps them think better.
He drank a braintonic before his big exam.
3. Anything that gives your mind a quick boost, like a fun puzzle.
Solving riddles is my favorite braintonic.
4. A funny word for something that wakes up a sleepy brain.
That silly song is a real braintonic in the morning.