thingamajig
US /ˈθɪŋ·ə·məˌdʒɪɡ/
名詞
ものすごい
(esp. in spoken English) a thing, the name of which has been forgotten:
例:
•
He stood there holding this thingamajig.
ものすごい
(esp. in spoken English) a thing, the name of which has been forgotten: