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.

Common Names:

Name	Pronounced	Usage
ClÍMaco	-	Spanish
Gusti	-	Indonesian, Balinese
Elliot	[eli'ɔt]
Ruth (1)	ROOTH (English), ROOT (German)	English, German, Dutch, Swedish, Norwegian, Danish, Spanish, Biblical, Biblical Latin
Gyda	-	Danish
Roth	[rɔ:θ]