It depends on the definition of lightbulb.
One
Too much work.
Seriously who knows? It's pitch black in here.
One, but there are FOUR LIGHTS!
One, but he wishes it was two.
How many "friend zoned" guys does it take to change a light bulb? None. They just compliment it and get mad when it won't screw.
It Depends
It depends on how thinly you slice them.
A: 144 blondes.
when you say one thing and mean a mother. Don't remember where I heard it. Haven't read it here yet.
A guy who stays up all night wondering if there's a dog. Infinite Jest, by DFW
Because he Kant drive Immanuel.