beat brains

beat (one's) brains (out)

Informal To exert or expend great mental effort: She beat her brains out during the examination.

Name	Pronounced	Usage
Darcey	DAHR-see	English (Rare)
Ruairi	-	Scottish
Millicent	['milisnt]
HjÖRdis	YUUR-dis	Swedish
ŽIvko	-	Croatian, Serbian
Rorie	RAWR-ee	Irish, Scottish