Whatsit

1.（想不起名称或不想指明时说）什么来着，某某玩意儿used when you cannot think of the word or name you want, or do not want to use a particular word

1.不知道叫什么的人[东西]

1.something whose name is not known or has been forgotten

2.a word that you use for referring to an object when you cannot remember what it is called