Giving a high five, otherwise known as a congratulatory slap, can be a fun way to celebrate a shared accomplishment or to congratulate someone on a job well done. While the action of physically slapping hands may be the same, there are many synonyms for this playful gesture. Some popular alternatives to "giving a high five" include "high ten," "low five," "giving props," "fist bump," "handshake," "pound it," and "knuckle touch." No matter what term you use to describe this playful gesture, it is clear that high fives are a simple yet effective way to show support and encouragement to those around us.