Knob News
Knob News was a feature on the Xfm radio shows, which first appeared in episode 49 of series 2. In the feature, Karl reports stories about penises. Such as the boy who grew a 'knob' on his arm and therefore couldn't wear a short sleeved T-shirt.
In another story a kid was born without a knob, but luckly the doctor came in and sound "how lucky is this? there's this kid born with two knobs we can just nick one of his".