(colloquial) Contraction of what are you. / (colloquial) Contraction of what have you. / (colloquial) Contraction of what do you. / (colloquial) Contraction of what you.

(slang) A metasyntactic term used for any object whose actual name the speaker does not know or cannot remember; a doodad, gizmo, thingamajig, thingy.

a whatchamacallit

plural of whatchamacallit

plural of whatchacallit

plural of whatchamahoozie

whatchamacallit

Alternative form of whatchamacallit

plural of whatchamacallem

plural of whatchacallem