thingummy
noun(plural thingummies)
(informal)used to refer to a person or thing whose name you do not know or have forgotten, or that you do not want to mention (指不知、或忘记、或不想提及其名)某某,那个人,那东西 It's one of those thingummies for keeping papers together. 就是能收纳文件的那么一种东西。 Is thingummy going to be there? You know, that woman from the Sales Department? 某某人会去那儿吗?你知道,就是销售部的那个女的。
Word Originlate 18th cent.: from thing + a meaningless suffix.