(I'll be) hanged if I know!

I have absolutely no idea! A: "How are you supposed to turn on this newfangled computer?" B: "Hanged if I know!" I'll be hanged if I know how to fill out these tax forms!

Common Names:

Name	Pronounced	Usage
Bradshaw	['brædʃɔ:]
Zsolt	-	Hungarian
Halli	-	Ancient Scandinavian
Skadi	-	Norse Mythology
PÓL	POL	Irish
TİMuÇİN	-	Turkish