be all brawn and no brains

to be physically strong but not very intelligent I agree he's got a good body, but he's all brawn and no brains.

Name	Pronounced	Usage
Glaw	-	Welsh
Ailie	['eili]
Ashtad	-	Persian Mythology
Baldomar	-	Ancient Germanic
Hannah	HAN-ə (English), HAH-nah (German)	English, Hebrew, French, German, Dutch, Swedish, Biblical
Waqar	-	Arabic