That's not funny...
Should it really be a lightbulb
TRICK QUESTION. THEY CAN'T CHANGE ANYTHING**
You always need them for thumb finger another.
Because his wife needs him.
Batteries have a positive side! inspired by: http://www.reddit.com/r/Jokes/comments/2zlrot/howmanyfeministsdoesittaketochangea/
Because they hunt whales.
Screw is such a harsh word, M'Lightbulb. I have too much respect for lamps to use it." Tips fedora
They're antisocial lights.