Merriam-Webster adds that doohickey may be a combination of two other words: doodad and hickey.
《韦氏词典》补充称，doohickey可能是doodad和hickey这两个单词的结合体。
生活大爆炸 第4季
Hmm, no. One slip of the hand, and suddenly I'm sitting in the Engineering Department, building doodads with Wolowitz.
嗯 不行 你一不留神 我就只能坐在工程学院里和沃罗威茨一起捣鼓些小玩意儿了。
摩登家庭第六季_Modern Family-Season06
But it's got all those doodads.
这么多没用的小玩意儿。
经典英语美文背诵100篇
In contrast, you have also seen owners who lovingly polished their machines, dressing them in fancy seat covers, and attaching cute little doodads to the windows.
相比之下，你也会看到车主温柔的把他们的车子擦亮，并套上特制的椅套, 还在车窗上挂上可爱的小饰物。
富爸爸穷爸爸
In the opening round, she drew a doodad card with the boat on it. At first she was happy. Oh, I've got a boat.
在第一轮中，她得到了一张“零星支出”卡，开始她很高兴：“噢，我拥有了一艘游艇！”
99%不为人知的故事
Then there was the fact that all those glorious handy doodads proved to be a bit of a trap.
然后还有一个事实， 所有那些方便的小装置都被证明是一个小陷阱。
TED演讲（音频版） 2020年5月合集
What's holding us back, is it electronic medical records, is it some fancy doodad, or is it just maybe overconfidence, based on maybe the public health successes of the last 100 years?
Placeholder names are words that can refer to objects or people whose names are temporarily forgotten, irrelevant, or unknown in the context in which they are being discussed.