How many dogs to change a light bulb? (one of many versions).
Q: How many pit bulls does it take to change a light bulb?
A: Who needs a light bulb? It's so much fun to get a belly rub in the
dark!
And besides, you can see fine by the light reflecting off the very
large teeth that I am bearing in a face-splitting grin.
Q: How many homeless shelter dogs in a remedial obedience class does it take to change a light bulb?
A: Depends. How many pounds of doggie hot dog treats do you got?