Is 'tired old cliché' one?

All the plants in my house are dead - I shot them last night. I was teasing them by watering them with ice cubes.

What do little birdies see when they get knocked unconscious?

I didn't want to be selling insurance at 40, wondering what would it have been like to do stand-up.

I used to be an airline pilot. I got fired because I kept locking the keys in the plane. They caught me on an 80 foot stepladder with a coat hanger.

If you saw a heat wave, would you wave back?

If your car could travel at the speed of light, would your headlights work?