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
Boyce	BOIS	English
Alexey	ah-lyek-SYAY (Russian), ah-leek-SYAY (Russian)	Russian, Ukrainian, Belarusian
Tanya	TAHN-yə (English), TAN-yə (English)	Russian, English
Rade	-	Serbian, Croatian
Ignacy	eeg-NAH-tsi	Polish
Ray	RAY	English