Something you'll only do once: leave your car window down during a snowstorm.
Try a back flip off a twin bed.
Tickle a lion's butt.
Brush your teeth with ointment.
Have a picnic in a horse pasture.
Forget to tighten the lug nuts after changing a tire.
Take the spoonful-of-cinnamon challenge.
Hitch a ride on a prison bus.
Use Krazy Glue instead of nasal spray.
Check out the awesome power of the ocean from up close.
Attempt to cannonball into a frozen pool.
Pounce on a porcupine.
Get a Mitt Romney for President tattoo on your face.
Celebrate a hunt prematurely.
Overload a pickup truck.
Feed ONE raccoon.
16 mistakes people make only once in a lifetime
12/9/2012Sometimes you only have to make a mistake once to learn never, ever to do it again. Recently, a driver in Sweden learned this after leaving their car window open as a snowstorm hit. The slideshow above offers a look at some costly blunders people aren't likely to repeat, from forgetting to tighten lug nuts to jumping into a frozen pool.
Click to see more on msnNOW.com, updated 24 hours a day.
What's a classic mistake people make just once?
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