whatchamacallit \whatchamacallit\, n. Any object whose name is forgotten, or not known. [Also spelled {whachamacallit}.] Syn: thingumbob, doohickey, dingus, whatsis, what-do-you-call-it. [PJC]
whachamacallit \whachamacallit\, n. Any object whose name is forgotten, or not known. [Also spelled {whatchamacallit}.] Syn: thingumbob, doohickey, dingus, whatsis, what-do-you-call-it. [PJC]