English version

thingamajig

From Longman Dictionary of Contemporary Englishthingamajigthing‧a‧ma‧jig /ˈθɪŋəmədʒɪɡ/ (also thingama-bob /ˈθɪŋəməbɒb $ -bɑːb/), thingy /ˈθɪŋi/ noun [countable] spoken  1 THINGused when you cannot remember or do not know the name of the thing you want to mention What do you call that thingamajig? You know – the circle with the line through it.2 British English used when you cannot remember or do not know the name of the person you want to mention Is thingy going?
Examples from the Corpus
thingamajigThis new multimedia thingamajig allows you to discover things on your own through the wondrous use of the hypermedia approach to education.What's this silver thingamajig used for?
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