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
Haroon	-	Urdu
Angelina	[ændʒi'li:nə]
Renita	-	English
Phyllis	FIL-is (English)	Greek Mythology, English, German
Noah	['nəuə]
Poppy	PAH-pee	English (British)