It's not a thai eggplant, is it?

Nevermind about the eggplant. I'd imagine that, like most eggplants, their flowers are purple, not yellow.

That's a Piccolo squash!

Could it be a "Tigger" Melon?

http://www.growingthehomegarden.com/2011/08/tigger-melon-light-and-sweet.html

I don't know what it is, but I know that melons often hybridize. Is it ripe yet? What does it taste like? I know someone whose cantaloupe hybridized with everything else in his garden. All of his other squash developed into crazy looking things, but they all tasted like cantaloupe!

This is indeed a piccolo squash and it is edible. They need to be picked when they're about tennis ball sized. Any larger and they will be tough and have a strong taste.

Ref: http://banyans-end.blogspot.com/2012/06/oodles-of-summer-squash.html

If the squash aren't that great themselves, don't forget that you can always fry the blossoms.

Actually, my uncle came over and identified it as a goblin egg gourd- from what I can find on the internet, that seems right- thanks all for the input!

My dad had these growing on the fence in the back yard this year. He called it 7 year squash (I don't know where the name comes from). We fry them in olive oil and they are really good! Or cut them into small pieces and let it simmer in tomato sauce. I just used the last of mine this morning in a fried egg sandwich :)

this could be . . . well, i don't know the english name. . . in arabic we call it ajoor. it looks like a dwarf watermelon and has a lightly cucumbery taste to it and is very crunchy. in syria, we eat it raw with different mezze for breakfast. (like this http://cupsofchai.com/2009/08/31/sahtain-syrian-breakfast/ - sorry, all the pictures haven't been re-uploaded yet after a server migration, but the first one + the text will give you an idea of how you could serve it).