Trick-or-treating (noun)

A Halloween tradition in which children dress in costumes and go door-to-door in their neighborhood, asking for treats such as candy or small toys with the threat of playing a trick on the homeowner if they don't give them anything.

Origin:

From the phrase "trick or treat".

Examples:

1. The kids went trick-or-treating in their neighborhood dressed as ghosts and goblins.
2. The tradition of trick-or-treating originated in the United States.
3. Trick-or-treating is a popular Halloween activity for children.
4. Many communities hold trick-or-treating events in local parks or shopping centers.
5. Some homeowners give out healthy treats as an alternative to candy during trick-or-treating.