A Precise Location

Attorney: "And where was the location of the accident?"
Witness: "Approximately milepost 499."
Attorney: "And where is milepost 499?"
Witness: "About halfway between milepost 498 and milepost 500."

Lightbulb - Polacks

Q: How many Polacks does it take to screw in a light bulb.
A: 10. One to hold the lightbulb and 9 to spin the ladder around.

Semantics

Q: What did the boy say when his Mom told him to stop pulling the cat’s tail?
A: I’m just holding it. It’s the cat that’s doing the pulling.