Kilroy

Definitions of Kilroy
1

n a nonexistent person popularized by American servicemen during World War II

Kilroy was here”
Example of:
character, fictional character, fictitious character
an imaginary person represented in a work of fiction (play or film or story)

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.