trick or treat
US /trɪk ɔr triːt/
UK /trɪk ɔr triːt/

1.
trick or treat, snoep of je leven
a Halloween custom in which children in costume visit houses and ask for treats, threatening to play tricks if they do not get them
:
•
The children went from door to door, shouting "Trick or treat!"
De kinderen gingen van deur tot deur, roepend "Trick or treat!"
•
Every Halloween, my kids love to go trick or treating.
Elke Halloween vinden mijn kinderen het heerlijk om trick or treat te gaan.