Two: One to screw you out of a fee, and the other to send you to a store where they ran out of bulbs weeks ago.
or
One is a blood-sucking parasite, the other is an insect.
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Well, first let's talk about the concept behind this whole "light bulb" thing.
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Three skunks fighting over a pickle
First dog: My master calls me Furball. How about you?
Second Dog: My master calls me Sitboy
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