Meaning

1 senses
  1. (slang)An eccentric or crazy person.

Origin

From crack + brain.

From crack + brain.

Wiktionary, CC BY-SA 4.0 · source

Forms

plural: crackbrains
Singularcrackbrain
Pluralcrackbrains

regular

See also

neighbours in the dictionary
crackbrain — meaning, examples, forms, synonyms | Krumeto