whatsis

and whatsit and whatzit and whazzit (ˈʍətsɪs and ˈʍətsɪt and ˈʍətsɪt and ˈʍəzɪt)

n. a name for a person or thing whose real name has been forgotten or is being avoided. Put this little whatzit on the top and another on the bottom.

Name	Pronounced	Usage
ÁEdÁN	-	Ancient Irish, Irish Mythology
Lindsay	['linzi]
Karita	kah-REE-tah	Swedish
Thalia	-	Greek Mythology (Latinized)
Petrina	pə-TREE-nə	English (Rare)
HƯƠNg	-	Vietnamese