Nuts

[Jedo_03]

Bloke goes to the doctor and says he has a pain between his legs.
Doctor says "Let's have a look."
Bloke opens his trousers and the Doctor looks and says "Good God - you've got a pulley wheel on your groin. . !
And the bloke goes - Yeah, It's driving me nuts. . !
Cheers
Jedo

[echnidna]

I bet that started the saying "One good turn deserves another"

[scooter]

...then the doc said... "Heave that sheave up here on the table..." :D