<p><strong>Verb (used with object):</strong></p><ul><li>backslapped, backslapping: to subject to backslapping.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>backslapped, backslapping: to engage in backslapping.</li></ul><p><strong>Noun:</strong></p><ul><li>a hearty slap on the back given as a token of affability or congratulation: The bridegroom received many a warm handshake and backslap.</li></ul>