Whatstheirname

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    A person whose name is either unknown or forgotten. informal

    "Many old names, hairstyles, and mustaches that I'd already forgotten: Mirko Votava, Tom Dooley, Vladimir Beschastnych, Manni Bender, Heiko Scholz, Alain Sutter, and whatstheirname"

Example

More examples

"Many old names, hairstyles, and mustaches that I'd already forgotten: Mirko Votava, Tom Dooley, Vladimir Beschastnych, Manni Bender, Heiko Scholz, Alain Sutter, and whatstheirname"

Etymology

Univerbation of what + is + their + name.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.