1. Ghosts of buildings that were destroyed and are gone. Originally coined by author, Connor Coyne. Example: a house that burned down a long time ago, but you still see it how it was before but translucent.
2. Something strange and unusual that happens in large cities.
Person 1: "What is it called when you see something weird in the city?"
Person 2: "That's called an urbantasm."
Someone that destroys their own community by looting, burning down businesses, or by increasing the local crime rate by any other means. Typically loud and obnoxious in behavior.