A fork of Rural Dictionary
1. A slang word for penis.
2. Somebody's name or their nickname.
3. An insulting word used to define someone who thought/did something stupid.
Caroline: Wow he's got a big willy, see? You know, that bulge in his pants?
Bill: Hey Willy! Watsup, man?
Joe: I can't believe he thought that! What a willy...
anyone named William going by the nickname of Willy or Willie can give you the ability to see through glass once you have given them a blowjob.
Look, it's willy, I heard if you suck his dick you can see through glass.