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
Yuliy	-	Russian
Bijoy	-	Bengali
Trisha	TRISH-ə	English
Wilma	VIL-mah (German, Dutch), WIL-mah (Dutch), WIL-mə (English)	German, Dutch, English
Tarek	-	Arabic
Alfred	AL-frəd (English), al-FRED (French), AHL-fret (German, Polish), AHL-frət (Dutch)	English, French, Swedish, Norwegian, Danish, German, Polish, Dutch