I agree with Veronica and Bad: Got a cell phone with camera? Snap his pic. Also a pic of the registration nr. (license plate). Then call the cops. This guy's behaviour smacks of sexual harrassment. Or what say you, sister Trek420? You had something like this happen to you back in high school -- a driver cruisin' along at bike speed alongside you. Then it escalated and he started chucking porn out onto the road in front of you, as I recall being told. You did the right thing by turning in a neighbor's driveway and calling Mom and Dad. Did you call the sheriff as well? I'm pretty sure cops take this kind of thing seriously.