what-do-you-call-it noun orwhat-do-you-call-themalsowhat-do-you-call-herorwhat-do-you-call-him\ˈ(h)wä]d.ə ̷ ̷ˌ ̷ ̷ ̷ ̷, -wə-, -wȯ-, ]tdə-\ (-s) : a thing or person that the speaker cannot (as from not knowing or from forgetting) or does not wish to name < hand me one of those little what-do-you-call-thems >