a. An unexpected and undesirable event which involves a cock.
b. An unforeseen incident involving a cock.
c. A random, out of the blue, mistake involving a cock.
Andy: "I really fucked up today"
Mike: "Oh yeah? Was it a cockcident?"
Andy: "Yeah, I mean I was trying to play tennis and ended up sucking a cock instead!"
Mike: "Damn! What a crazy cockcident!"
To some, this could be a male or female who aimlessly likes to "ride someones cock, or penis" in a rough, or hardcore fashion. These cockriders do this several times a day, and get alot of pleaseure out of doing so.
Man 1- Hey you know that bitch Patty?
Man 2- Yeah I've hit that dog.
Man 1- No shit playa?
Man 2- Yeah the otherday we fucked, and when I thought it was over the bitch wanted it again and again
Man 1- Boy that slut Patty sure is a cockrider, wanting the cock that much in 1 day.