He slapped the driver on the back of one shoulder.
His hand came down and slapped the small man on the back.
The two met in the middle of the road, shook hands and slapped each other on the back.
Ivan slapped his brother on the back of the head.
She laughed, then reached out and slapped him on the back.
She slapped him on the back so hard, he nearly dropped the blue can.
He laughed until his brother slapped him on the back.
He never slapped a man on the back in his life.
He slapped me on the back and let go of my hand.
The dwarf slapped him on the back like an old friend.