Marshcano Posted in M Best definition Marshcano When you fill an empty beer can with marshmallows and then place it in a campfire. The marshmallow then oozes out like lava from a volcano. Hey look at that sweet marshcano in the campfire.. How satisfied are you with the definition? Looking for Marshcano meaning? Delighted that you discovered the greatest determine on our web site! Recently this definition was actually observed 22 times.