be all brawn and no brain(s)

(redirected from is all brawn and no brain)

be all brawn and no brain(s)

To have great power or physical strength but lack 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.
See also: all, and, brawn, no
References in periodicals archive ?
JEAN-Claude Van Damme proved he is all brawn and no brains at the awards ceremony.