hi five

Noun

high five (countable and uncountable, plural high fives)

1. A gesture of celebration or victory in which two people slap the palms of their hands together at shoulder height or higher.
   • Through the window I could see Nikki and Kim doing high fives in the car.1995, Paul Vautin, Turn It Up!, Sydney: Pan Macmillan Australia, page 144
2. A game which uses a technique providing a user with an emotional reward after they complete a minor task or achievement.
3. (uncountable) The game of cinch.

See all 4 meanings of high five