whatchamacallhim
pronUK /ˈwɒtʃəməˌkɔːlɪm/ · US /ˈwʌt͡ʃəməˌkɔlɪm/
Etymology Univerbation and contraction of what you may call him, by analogy with whatchamacallit.
1
Colloquial, Uncommon A man whose identity has been forgotten.
- Coordinate term: whatchamacallher
- Near-synonyms: what's-his-name (what's-her-name, what's-their-name); what's-his-face (what's-her-face, what's-their-face); you-know-who; so-and-so
- Related terms
- whatchamacallit