The Microsoft Office paper clip.
Son of a crap! I looked at the thread title and immediately thought, “Yes, I created Clippy.”
Then I clicked on the link. Beaten by the OP.
Hmph. Runner-up: The Tiddy Bear.
The fist pump.
The gas chamber.
The Ford Pinto
Those are the same thing, right?
Lee Press-On Nails.
Trucknuts.
The penis pump.
My Little Pony.
I once invented a mildly entertaining game for Facebook. For some reason, it got about 35,000 hits. Unfortunately, that was followed by about 35,000 email spams.
We don’t speak of it here.
My mother claims she invented those paper toilet seat covers you use in a public restroom, and someone just beat her to patenting it. Doesn’t seem like I’d want to be playing tennis at the country club, telling everyone I made my money in toilet seat wraps!
Nazism.
Dildo.
An I-Pod, or whatever they’re called.
Betamax
Human-flavored food.
Reminds me of the “Frasier” episode where it’s revealed that the family of Niles’ wife Maris made their fortune in urinal cakes, even though they told everyone their money was made from timber.
Ｔｈｅ ｐａｎｉｃ ｂｕｔｔｏｎ ｔｈａｔ ｓｗｉｔｃｈｅｓ ｙｏｕ ｆｒｏｍ ｇａｙ ｐｏｒｎ ｔｏ ｒｅｇｕｌａｒ ｐｏｒｎ ｗｈｅｎ ｔｈｅ ｂｏｓｓ ｗａｌｋｓ ｂｙ．
Spray-on bald spot cover. In an aerosol can!
Mortgage-backed securities.
The speed camera; and waterboarding, but mostly the former.
I bought that once at a reduced price of 50 cents for Halloween instead of the normal temporary hair color. I sprayed it on a small area of arm and it was like tempera paint that you used in school. I can’t imagine how horrible it would have looked on a balding guy’s head. I went back and got the normal Halloween spray.