what's-their-name

== English == === Alternative forms === what'stheirname, whatstheirname, whatsename === Etymology === Univerbation of what's +‎ their +‎ name. === Pronoun === what's-their-name (plural what's-their-names) (informal, chiefly in the singular) A person whose identity is unknown or forgotten (especially when better-known to the listener). Coordinate terms: what's-his-name, what's-her-name Near-synonyms: what's-their-face (what's-his-face, what's-her-face); whatchamacallhim, whatchamacallher; you-know-who; so-and-so; see also Thesaurus:what's-their-name === Noun === what's-their-name (plural what's-their-names) (informal, derogatory, chiefly in the plural) A passing acquaintance of no importance or relevance. Coordinate terms: what's-his-name, what's-her-name === Usage notes === Reduced forms such as whatsename are only used for the pronoun, and typically only in speech.