half a brain

English

Noun

half a brain

1. (idiomatic, figurative, colloquial) A very basic or minimal level of intelligence.

   Synonym: half a head

   anyone with half a brain

   Anyone with half a brain should have known what to do.

   Well, if he had half a brain, then we wouldn't be having this conversation.

Related terms

• brainless
• half-assed
• half-brained
• half-hearted