doohickey

名词 doohickey:

1. something unspecified whose name is either forgotten or not known
   同义词：doodad, doojigger, gimmick, gizmo, gismo, gubbins, thingamabob, thingumabob, thingmabob, thingamajig, thingumajig, thingmajig, thingummy, whatchamacallit, whatchamacallum, whatsis, widget

doo.hick.ey

n.（名词）
【复数】 doo.hick.eys 【非正式用语】
An unnamed gadget or trinket.
小玩意：叫不出名目的小器件或小玩意儿

来源：
Perhaps doo(dad)
可能为 doo(dad)
hickey
hickey