(v., intransitive) to be the tits, the shit, the man, the bee's knees, etc.; to be the humanoid equivalent of an electric guitar with biceps; or to be a thing whose mere existence suggests that God is one cool freaking dude.
object rides the bus, as in
"Is that T-Rex with the combat boots beating up Vince Shlomi?"
"Yeah, it would appear so, my good man."
"Wow. That rides the bus."
If you say that someone rides a Harley then you are referring to that person as a Fag - not in the believe to be homosexual sense but in the inconsiderate ass hole sense. Due to the fact that most Fags ride Harleys, it is most fitting to describe their actions as Rides a Harley