This? Is genius. And gross. And easy.

In other words, a perfect last-minute costume for that teen boy you know who's too cool for Halloween but got into the spirit all of a sudden. Just keep him away from me. Yikes!

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<a href="http://www.youtube.com/watch?v=7ju9MGtbRu4&amp;feature=related">Click here for the how-to</a>, but basically you'll need a zipper, latex/glue and fake blood/red makeup. A strong stomach doesn't hurt, either.

MORE HALLOWEEN IDEAS

<a href="http://frogandsnail.com/2011/10/the-green-monster-ate-my-baby/#comment-1442">Green Monster!</a>

<a href="http://frogandsnail.com/2011/01/little-mustache-sticks/">Printable Moustaches</a>

<a href="http://frogandsnail.com/2011/08/how-to-throw-a-ninja-party-plus-diy-no-pain-ninja-gear/">DIY Ninja Gear</a>

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