1.) 205 (Two -oh-five) is a term used when a subject is introduced as if new, yet everyone else has heard of it previously.
2.) Used like a shorthand response when a nOob posts an image or notable news to a message board or email list in which all participants have beaten the subject like a dead mulie
nOob: "Hey did you hear a guy got caught speeding and he was doing Two hundred-five miles per hour over near Minnesota."
Experienced Adventure Rider: "205, so FYYFF"