I would hug a dinosaur, might be the last thing I do but i don’t care

I can eat reams of Zesta saltines by themselves. I’ve tried multiple varieties and nothing comes close.

Car on fire

I love asking anatomy terminology questions like these. Fins, flippers, and tentacles don’t exactly have a pit to refer to, so the term is moot. However, wings do have a sort of armpit. I think I’ve used the word “wingpit” while writing bird characters before.