That doesn't make sense.
You have to say it loud and fast, with an American accent (there is too much freedom in it to translate accurately).
http://www.urbandictionary.com/define.php?term=oh%20no%20you%20didn%27t
@serk started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
You have to say it loud and fast, with an American accent (there is too much freedom in it to translate accurately).
http://www.urbandictionary.com/define.php?term=oh%20no%20you%20didn%27t