whoozis

and whoozit (ˈhuzɪs and ˈhuzɪt)

n. a name for a person whose real name is forgotten or being avoided. I met whoozis—you know, with the big whatsis—today.

Name	Pronounced	Usage
Costache	kos-TAH-ke	Romanian
Eadberht	-	Anglo-Saxon
Yanni	-	Greek
Theseus	THEE-see-əs (English)	Greek Mythology
TaÍS	-	Portuguese (Brazilian)
Rankin	['ræŋkin]