After thinking for a few moments I say "Carefully"
Just one but he wants to do it thirty-two times and when he's done everyone thinks that his last lightbulb was much better.
Disclaimer: I don't know how well this joke will work in English. What's yellow and lies in a pond? An excevator. You don't think this is funny? Neither does the operator.
She had a ball
Gutterfingers!
Occam's razor
A barber.
Give me a moment...ummmm.(momentum)
Ebola cereal. Note: Got it from my stepbrother who has his moments.