Smashing Day' or 'Smashing Night' refers to delinquent acts of vandalism on residential Halloween Jack-O-Lanterns set outside by individuals. The Jack-O-Lanterns are removed from the homes or porches and smashed into the homes' exterior wall, the nearby sidewalk or street. Individuals participating in 'Smashing Day' are typically children aged 14-17.
Guy #2: I am saving them to smash up on Smashing Day, which is on May 15th. Want to smash things with me?
Guy #1: That sound great, I would love to celebrate Smashing Day with you! Lets plan for it.