Where on God’s green earth?

Where on (God’s green) earth?

interrog. (Exactly) where? (An intensive form of where. See examples for variations.) Where on God’s green earth did you get that ridiculous hat?

Name	Pronounced	Usage
Gathbiyya	-	Arabic
Iokaste	-	Greek Mythology
Seraphina	-	English (Rare), German (Rare), Late Roman
Zubin	-	Persian
Olexiy	-	Ukrainian
Mostyn	-	Welsh