Basically a circle jerk or when guys sit around and jerk off together. Since it is popular with teen boys, the object is to see how far you can shoot compared to the other boys, hence "rocket club". A network TV show, Aliens in America, devoted an entire episode to this topic which probably went over the heads of 98% of the viewers who thought the show was about a high school science club.
Hey. Tyler, John, Eric and Trevor will be at our Rocket Club meeting tonight to watch the new DVD I just got, want to come?"
by Toddincal November 05, 2007