When you come up with a great idea/product for the internet, only to find out that someone has beaten you to the punch.
A freudian misprounciation of the popular 'Google' search engine gave the genius idea of a porn-specific version: "Booble
A quick entry into the address bar leaves you crest-fallen.
"I thought of a great idea for a video game based webcomic, but I was totaly boobled by penny-arcade"
A: "Man we should totally make an online repository of slang and urban words"
B: "Dude, urbandictionary.com"
A: "Bah, Boobled again!"