- The definition of a willy is a slang term for a penis.
When you are referring to the genital organ that your boyfriend uses for sex and you want to use a slang term to refer to that male organ, the slang term you would use is an example of willy.
(comparative willier or more willy, superlative williest or most willy)
- Alternative form of willow.
From Middle English wilÈe, from Old English wiliÄ¡ (â€œwillowâ€). More at willow.
From Middle English wilie, from Old English wiliÄ¡e, wileÄ¡e (â€œbasketâ€), from Proto-Germanic *wiligÅ (â€œwicker basketâ€), from Proto-Indo-European *weliko- (â€œwillow-treeâ€). More at weel, willow.
- (hypocoristic, slang, childish) the penis.
- (UK) a person whom the speaker dislikes.