all brawn and no brain

all brawn and no brain

Having great power or physical strength but lacking mental acuity or intelligence. He may have been a good football player in high school, but he was all brawn and no brains, so he didn't get into any colleges. Why did you ask Todd to come up with a solution to this complex problem? You know that guy is all brawn and no brain. Eh, he's just your typical jock, all brawn and no brain. But if you want a date who can discuss modernist literature, I'm your man!
See also: all, and, brain, brawn, no
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
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References in periodicals archive ?
Perhaps Kurt Russell as Todd 3465 is too much like Arnold Schwarzenegger - all brawn and no brain.
JEAN-Claude Van Damme proved he is all brawn and no brains at the awards ceremony.