Hoverbike

The full-size hoverbike will be powered by a gasoline engine turning an alternator to provide power for its four electric rotors.

Source: tatoeba (11093521)

“Do you know that you were doing 15 on a 65-mile-per-hour highway?” “We did not, officer. But if you call our father, he should be able to clear all this up.” “Dean! We don't have a father anymore.” “All right, what's going on here? And what are those?” “Hover-bikes.” “Where do kids like you get hover-bikes, selling weed to classmates, huh? Get 'em hooked early, right? Nothing like a steady customer. Which reminds me, shouldn't you boys be in school right now?” “We don't go to school. We have a bed that teaches us everything.” “Oh, I get it now... Dust head. Let's get off the floating chopper.” “He's not a dusty head. We really do have beds equipped with audio-suggestive learning aids.” “Dabbling in super-science, eh? All right, you two, I know just the place for boys like you.”

Source: wiktionary