One word, ten languages

Italian · Italiano

il Coso

/ˈkɔ.so/ noun · masculine · plural: Cosi A1 (estimated)

thingummy, what's-his-name, whatsit

Englishwhat's-his-name, thingummy, whatsit
Germandie Dingsda
Frenchle trucmuche, tartempion, Machin
Portugueseo fulano
Spanishel fulano, el mengano, zutano
Dutchhet dinges

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