destroyed or damaged something that isn't your property
to destroy or damage ones property
The verb for vandal is vandalise. As in "to vandalise something".
vandals
You be really nice and do not vandalise.
If you vandalise this site you do so at your peril.
It would be comprehensive insurance.
The gerund form of vandal/vandalise/vandalism is vandalising.
Vandalize (US English spelling) or Vandalise (British English spelling).
This site is not horrible, but reasons that it could be horrible is that people vandalise answers.
Vandalize is the correct US English spelling.The British English spelling is vandalise.
Because they have no life and want to spread their opinion/artwork and love throughout the world.
You could be arrested and fined or put in jail. You will also have to pay for the damage to their property.
You have to be 21 to buy silly string, because people vandalise buildings with it