willy
n. countable C2 Proficiency US //ˈwɪɫi// UK //wˈɪli// willy
n. a childish or informal word for a penis. People usually use this word to be less serious or to avoid using a medical term.
n. a colloquial and often juvenile term for the penis. Used primarily in British English as a less clinical or vulgar alternative to other anatomical terms.
The little boy ran around without his clothes, pointing at his willy.
Parents in the UK often use the word willy when talking to toddlers about their bodies to avoid using more adult language.
From Will + -y.
Usage
Primarily British English; informal and often considered childish rather than strictly offensive.