Pronunciation: (bak'slap"), [key]
—v., -slapped, -slap•ping,
to subject to backslapping.
to engage in backslapping.
a hearty slap on the back given as a token of affability or congratulation: The bridegroom received many a warm handshake and backslap.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.