what·cha·ma·call·it  (hwŏch'ə-mə-kôl'ĭt, hwŭch'-, wŏch'-, wŭch'-)  n. Something whose name has been forgotten or is not known. [Alteration of what you may call it.] |
| whatchamacallum | |
noun | |
| something unspecified whose name is either forgotten or not known; "she eased the ball-shaped doodad back into its socket"; "there may be some great new gizmo around the corner that you will want to use" [syn: doodad] |