dingus
/ˈdɪŋgəs/( <南非> 亦作dinges. 读音同)
noun
(pl. dinguses)
- N. Amer. & S. African informal used to refer to something whose name the speaker cannot remember, is unsure of, or is humorously or euphemistically omitting〈北美, 南非, 非正式〉那玩意儿（用来指说话人一时想不起的名字、不确知名称的东西或用来幽默地、婉转地指某物）：
here's a doohickey - and there's the dingus.
这儿有个这玩意儿, 那儿有个那玩意儿。
词源
late 19th cent.: via Afrikaans from Dutch ding 'thing'.