Seven hours of beating your brains out when you weren't feeling all that hot to begin with.

You beat his son's brains out all over the wall.

You'd beat your brains out to find a way of getting it done.

"Stand away and let me pass, or I'll beat your brains out!"

We beat our brains out and could come up with nothing.

Instead I'll beat my brains out simply trying to get us back.

Then he beat his brains for news to tell her.

I see that same old guy who wanted to beat everybody's brains in.

She beat her brains for something to say, but in vain.

Why go to all that trouble when you can simply beat the other side's brains in?