this is a jamaican word was not originated in london but is use frequently by londoners. this word is is the america equivalent to "oh shit". it is an exclamation that is used when something suprising happens.
for example: rahted! where did that car come from
or
rahted that guy jus got knocked the fuck out or rahted that guy jus got shot for saying rahted originated in london when it came from jamaica to rahted!
Rahtwon is one of the nicest people you will ever meet. He is handsome, sexy, funny, and is all around an awesome person. If you find a Rahtwon, definitely talk to him because you wont regret it.