A fork of Rural Dictionary
To pull out one's willy and slap it across the face of a woman, or man....
The ultimate insult to an already bad first date.
This bitch just moaned all night, the food wasn't warm, the drink was stale, the taxi was expensive, all in all I decided to Willy Slap the bitch!
When someone is agitated and or angered thus resorting to physical violence, by slapping the opponent in the face.
Will and Jonathon lost their s#*t and the Jiggy Willy slap was the end result!