Worst jokes

Why is brassiere singular and panties plural?

If you are driving at the speed of light and you turn on your head-lights, what happens?

If nothing ever sticks to TEFLON, how do they make TEFLON stick to the pan?

Why don't sheep shrink when it rains?

Do fish get thirsty?

If 7-11 is open 24 hours a day, 365 days a year, why are there locks on the doors?

If buttered toast always lands buttered side down and a cat always lands on its feet, what would happen if you tied a piece of buttered toast on the back of a cat and dropped it?

What color is a chameleon on a mirror?

Is it ok to use my AM radio after NOON?

Do you need a silencer if you are going to shoot a mine?