What is another word for rap knuckle?
Pronunciation: [ɹˈap nˈʌkə͡l] (IPA) 
Rap Knuckle is a term used to describe a light but firm tap on someone's knuckles. Synonyms for this phrase include, but are not limited to, knuckle knock, knuckle tap, finger tap, and fist bump. Each of these phrases describes the same action of tapping someone's knuckles as a sign of greeting or congratulations. These phrases are commonly used among colleagues, friends, and family members. It is a simple way to express happiness or respect towards someone without the need for words. The synonyms for rap knuckle highlight the common use of this action in various settings and cultures.
