A term of which, most likely a child used to refer to a penis.
I have a big willy.
Some are big some are small but no matter what I want it in my mouth
thing in your pants girls have one too
wrote ths because im bored in school
my willy exploded
what british crackers call a dick.
"one time i was at my friend William's house enjoying a splendid cup of tea, and then his hooker came out of the room and pulled down his pants exposing his willy. it was microscopic"
The penis when it is not erect and is in the smallest size.
Robert & Downey: Heheeheheheheheh this is fun heheheheh
Uncle Sam: WOT R U DOIN DAON DER PAMPIN EECH OTERS WILLY N KISSIN YER ASSES