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
Euandros	-	Greek Mythology
Dragomir	-	Serbian, Croatian, Romanian, Bulgarian, Slovene, Medieval Slavic
Yasmeen	-	Persian, Arabic
Frodo	FRO-do (English)	Literature
NebİL	-	Turkish
Leeba	-	Yiddish