To induce this noise in a gentleman, use reasonable force when striking the area. Note- REASONABLE force. Excessive force will result in no sound, as the note emitted will be too high for even dogs to hear, or he'll be unconscious, which is no fun for anyone.
"Ferdinand with a very good interception cleanly takes the ball away from Cissé. Now Gerrard comes dancing in like a fairy and oh! It's a kick to the balls from Ferdinand! And there's Gerrard, on his knees, having just hit the high "c""