thingamajig

and thingy (ˈθɪŋəmədʒɪg and ˈθɪŋi)

n. a gadget for which the proper name has been forgotten or is unknown. Hand me that thingamajig with the copper base, will you?

Name	Pronounced	Usage
Lone	LO-ne	Danish
Josefina	ho-se-FEE-nah (Spanish), zhoo-zə-FEE-nə (Portuguese), yoo-se-FEE-nah (Swedish)	Spanish, Portuguese, Swedish
Seo-Joon	su-joon	Korean
Brighid	BRIED	Irish, Irish Mythology
Anastazija	-	Croatian, Slovene
Ruth	[ru:θ]