What's got into?

What's got(ten) into someone?

What is bothering someone?; What caused someone to act that way? (Past or perfect only. The has is contracted except for emphasis.) I just don't know what's gotten into her. I don't know what got into me.

Common Names:

Name	Pronounced	Usage
Mervin	MUR-vin (English)	Welsh, English
Rajnish	-	Indian, Hindi
Signe	SEENG-ne (Swedish, Norwegian), SEE-ne (Danish)	Swedish, Norwegian, Danish
Sawyer	['sɔ:jə]
Kallistos	-	Ancient Greek
Rozalia	-	Polish, Romanian