Term used to describe the act of having sex in semi-public places, usually after hours or in vacant facilites, and causing a fair property damage in that act.

Sexual vandalism takes mere al fresco sex a step further by adding the thrill of wanton hooliganism.

Note that to sexually vandalise a person could have a completely different meaning to that of doing it to various public property.

When you eat dirt for the first time and leave your family to build a shack in the woods