I rode the lightning in.
I think I was threw from mars and landed on my head
It was like a rollercoaster as I tumbled through the sky...then I landed on a shooting star which then threw me to earth. What a thrilling ride!
On my belly?
My spacecraft crashed, and I crawled out from the waters of Lake Michigan...
The bubble burst and here I am!
My alien friends left me here XD
I killed all of the dinosaurs, you know the story.
smoothly..into the broom cupboard
I didn't. Apparently I was found under a gooseberry bush.