doodah
noun [ C ] UK informal uk/ˈduː.dɑː/ us/ˈduː.dɑː/ (US doodad)
（不记得或叫不出名字的）东西，玩意儿
anything whose name you cannot remember or do not know
Do you have the doodah, you know, the thing you attach to the end of this? 你有那种东西吗，就是固定在这个后面的那种东西？
Idiom
all of a doodahidiom 处于混乱状态
in a state of confusion
She's all of a doodah about the wedding arrangements. 婚礼的筹备让她晕头转向。