backslapping

[ bak-slap-ing ]
/ ˈbækˌslæp ɪŋ /

noun

the practice of making a loud and effusive display of friendliness, cordiality, etc., as by slapping persons on the back.

Origin of backslapping

First recorded in 1770–80; back1 + slapping

OTHER WORDS FROM backslapping

back·slap·per, noun