Slap your jawn

The intellectual and progressive way of asking another man if he would be willing to give you an oppertunity too pepper the tip of his flacid penis with butterfly kisses.

Also can mean to hit a strangers vape.

Samuel looked David in the eyes and passionately asked "hey bro can i slap your jawn like a real man?"

David obliged.

slapping your john

Slapping ones john is a term dirived from lower Manhattan. The art of nonchalantly and gently kissing a strangers penis or if you prefer. His shiny helmet.

Hey bro, do you mind me slapping your john?