backslap

[ bak-slap ]
/ ˈbækˌslæp /

verb (used with object), back·slapped, back·slap·ping.

to subject to backslapping.

verb (used without object), back·slapped, back·slap·ping.

to engage in backslapping.

noun

a hearty slap on the back given as a token of affability or congratulation: The bridegroom received many a warm handshake and backslap.

Origin of backslap

First recorded in 1925–30; back1 + slap1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019