Dude like one day I was totally sitting there watching that cartoon about the cavemen that totally push their little stone cars around with their feet and I was

Dude like one day I was totally sitting there watching that cartoon about the cavemen that totally push their little stone cars around with their feet and I was like duuude what if we like put a floor on the bottom of the car and totally like put some kind of like device that runs on controlled explosions of burning petroleum products and it like propelled the car forward then you totally wouldn't need to push it with your feet.... Then my buddy was all like. Duuuuuudddee that's fuckin gnarly....but like isn't that totally an engine??? Duuuuuuuuddddeeee Then we hit the bong again.