Whatsername

noun, slang

noun, slang ·Uncommon ·College level

Definitions

Noun
  1. 1
    A placeholder for the name of a woman whose name the speaker can not bring to mind. colloquial

Etymology

Derived from running together the words in the phrase "what is her name?".

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