My doctor prescribed me an ointment for my skin spots but he wouldn't make any rash promises.
Why did the cookie go to the doctor? Because it felt crummy.
What's an Owl's favorite TV Show? Doctor Who, because it's a hoot.
Why do doctors like hitting patients' knees? They get a real quick out of it.
I got fired from being a surgeon. I couldn't cut it.
I tried being a doctor, but I didn't have the patience.
Where does a sick boat go to feel better? To the dock.