What the deuce?

Sl. What has happened?; What? (Deuce is an old word for devil.) What the deuce! Who are you? What the deuce! Who did this?

interrog. What has happened?; What? (Deuce is an old word for devil.) What the deuce! Who are you?

Name	Pronounced	Usage
Burch	[bɜ:tʃ]
Leontius	-	Ancient Greek (Latinized)
Ebu BekİR	-	Turkish
Nix	[niks]
Gu&Eth;Mundr	-	Ancient Scandinavian
Qadir	-	Arabic