A scale.
or
Norse code.
or
Abominable! [A Bomb In a Bull]
or
Three skunks fighting over a pickle
First dog: My master calls me Furball. How about you?
Second Dog: My master calls me Sitboy
or
To get his filling!
or
The bartender offers him a warm smile and says, "For you, no charge".
or
Twenty. One to hold the bulb, two to turn the ladder, and 17 to be on the guest list.
or
Do you swear to pull the tooth, the whole tooth and nothing but the tooth?
or