blasterdam Share definition Flag A proclamation made usually a Dutch or Scandinavian person when they’re astounded by something. It is the equivalent of “I’ll be”. Lars saw the Space X rocket land vertically and said “blasterdam, that’s amazing!” blasterdam by Torbert March 28, 2021 0 0 Get merch Get the blasterdam mug. Buy Now — $32.95 See more merch