Origin of Wendyperhaps related to Welsh gwen, white, as in Gwendoline, Guinevere; popularized by the character Wendy Darling in J. M. Barrie's play Peter Pan (1904) and book Peter and Wendy (1911)
- (derogatory, slang, UK, particularly northern UK) A wuss; someone who is particularly cowardly.
- Toughen up, you big wendy.
- A female given name.
Popularized by the character in J.M. Barrie's play, Peter Pan (1904) (though occasionally found earlier ); the author explained that he got it from Fwendy-Wendy ("friend"), a nickname given to him by a child.