how about that?

Isn't that surprising, remarkable, or pleasing. For example, They're engaged-how about that? [Colloquial; first half of 1900s]

Name	Pronounced	Usage
Trent	TRENT	English
Kennith	KEN-ith	English
BeÁTa	-	Hungarian, Czech, Slovak
Cuthberht	-	Anglo-Saxon
Xanthos	-	Greek Mythology, Ancient Greek
Afzal	-	Arabic