(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."