He gave him a friendly slap on the arm.
And suppose I gave you a friendly slap on- the back.
And then with a friendly slap to the arm the man moved off into the swirling crowd.
Grinning, the elf gave him a friendly slap on the shoulder.
Tom gave the engineer a friendly slap on the back.
Theo gave him a friendly slap on the arm, his way of saying thank you.
Quinn gave him a friendly slap on the back.
Then he hit Lenny, a friendly slap that drew a little blood.
Savidlin reached out and gave him a friendly slap on the back.
Martok gave him a hard, friendly slap on the back.