Whatsername
noun, slang
noun, slang ·Uncommon ·College level
Definitions
Noun
- 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?".
More for "whatsername"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.