I remember when they told us unleaded cost more than leaded because lead had to be removed from the gasoline. Then when leaded cost more than unleaded they told us it was because lead had to be added to the gasoline. At some point they were definitely lying to us.
I get the humor in your joke and also “What are you wearing under there.” I don’t get the humor in this strip. Of course a dog doesn’t wear underwear so that wouldn’t work either.
Eat it. You won’t croak.