What for

What is this tool for?

That's what friends are for.

He wants four copies of it? What for?

Ow! What did you do that for?

What do you want to know for?

When your dad gets home, he'll give you (a) what for.

- Fagin, I'm waiting. - Waiting, my dear? What for? - Bill will give you "what for" if you don't fork out.

Cranky Kong: 'NOW GET OUT THERE AND GIVE THOSE LITTLE DRUM GUYS WHAT FOR. YES, I SAID "WHAT FOR." I'M OLD. GET OVER IT.'