trashcan punch Share definition Flag the drink at a party that is really strong but you cant tast the alcohol. Generally considered a drink for girls. So, what did you have to drink tonight, Jane? -I had 4 cups of trashcan punch, and i am so drunk. trashcan punch by Brian Mc June 17, 2004 0 0 Get merch Get the trashcan punch mug. Buy Now — $32.95 See more merch