have some-thing on the brain
a good student; a very intelligent person. (See also brains.) : I'm no brain, but I get good grades.
to hit someone (in the head). : I ought to brain you for that!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
Cite This Source
More from Dictionary.com Translator
Dictionary.com Word FAQs
Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.
Word Dynamo By Dictionary.com