n. 25B6; noun (informal) THING, so-and-so, whatever it's called; informal whatnot, doodah, what-d'you-call-it, what's-its-name, thingy, thingummy, thingamabob, thingamajig, oojamaflip; Brit. informal doings; N. Amer. informal doodad, doohickey.
WHATSIT
Meaning of WHATSIT in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012