Lukeprog.com has posted a very big list of categorized internet memes.
Some samples:
Division by zero causes the end of the world: a humorous idea spawns many videos.Atlanta Nights: a purposely awful collaborative novel written to test whether PublishAmerica would still accept it. They did.
Bad Times: a computer virus hoax making absurd claims, for example that it will it will replace your shampoo with Nair and your Nair with Rogaine.
Chaos Cloud: a news hoax about an outer space cloud that would soon destroy the earth is debated ferociously on the internet until it is debunked.
Source: Lukeprog.com
