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
Konstantine	-	Georgian
Dunn	[dʌn]
Farrukh	-	Urdu, Uzbek, Tajik
Remus	REE-məs (English)	Roman Mythology, Romanian
Rosanna	ro-ZAHN-nah (Italian), ro-ZAN-ə (English)	Italian, English
Marjory	MAHR-jə-ree	English