Modern mischief includes toilet papering gardens and buildings , flouring and egging of cars , people , and homes , `` forking '' gardens , setting off fireworks and smashing pumpkins and jack-o ' - lanterns . Popular tricks include toilet papering yards and buildings , powder-bombing and egging cars , people , and homes , using soap to write on windows , `` forking '' yards , setting off consumer fireworks , and smashing pumpkins and jack-o ' - lanterns .