whatchamacallit
noun [ C ] informal uk/ˈwɒtʃ.ə.məˌkɔːl.ɪt/ us/ˈwɑː.tʃə.məˌkɑː.lɪt/
名叫什么什么的那个人,那个叫某某的东西(用于指记不起名字的人或物)
used when you are speaking about something or someone whose name you can not remember
I need a - a whatchamacallit - one of those things that you can caramelize sugar with. 我需要一个——那个叫什么来着——可以熔化糖的那个东西。
Synonyms: doohickey thingamabob