Whoopee cushion reinvented

A classic of harmless pranks appealing to young and old alike, the whoopee cushion, with its loud, realistic fart sounds, has just one thing missing:

Smell.

While my seven year old boy fantasized about extremely unsanitary ways to remedy this obvious failing, I couldn't keep my own mind from spinning. I resisted the temptation to experiment till now, but the allure of this contest and Think Geek was just too great for me.

I present here, the smelly whoopee cushion!

Step 1 What you will need

Approximately 12" of flexible tubing
Glass jar with lid
silicone glue (optional -- I didn't need it)
Small clamps (from office supply store)

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 1/3 cup ammonia
1/2 box of matches

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Whoopee cushion

Comments

[Tupulov]

KUDOS! You naughty boy, you've given a live long prankster an excellent idea.

(Tupulov walks away from the computer rubbing his hands together and laughing like an evil genius!)

[bowmaster]

Cool. This takes more preparation, but is worth it.

[belsey]

You can save the jar and use it over and over -- I imagine with age the smell "matures" into something even more foul...