Trick or treat is what children say when they go door to door on Halloween night, dressed in costumes and carrying bags or buckets to collect candy. When a neighbor opens their door, kids call out “trick or treat!” and the neighbor responds by dropping candy or small treats into their bags.

The phrase comes from an old tradition where the “trick” was a playful threat: give us a treat, or we might play a harmless prank on you. Nowadays, the trick part has mostly disappeared, and Halloween has become simply about collecting as much candy as possible while showing off your costume. Many neighborhoods have an unspoken agreement: homes with porch lights on are ready for trick-or-treaters, while dark houses want to be left alone.

Parents often walk with younger children as they go trick-or-treating, making sure everyone stays safe while moving from house to house. Some neighborhoods get so crowded on Halloween night that kids come home with pillowcases full of candy. The tradition combines several fun things: dressing up, walking around your neighborhood at night, meeting neighbors, and of course, gathering enough candy to last for weeks.