Waiting for the operation, there was a gentle tap on the door. In came a strapping nurse. 'Good morning', she shrilled, whipped back the bedclothes, upped with his nightshirt, grabbed his willy, lathered furiously around it till it looked like the Eddystone Lighthouse in a storm, then shaved the whole area till it looked like an oven-ready chicken.
'Excuse me, nurse', said Looney, 'why did you knock?

Autor: Spike Milligan