I’m an action in multiple ways, Though most are gone in a flash, One needs to eject a case, Another, to run very fast. As a noun I’m depicted as a zig zag of sorts, popular to the sky and also to sports. I am also known to hold tight a structure or two, a threading of crazy, but can fix a loose screw.

In the kitchen, I eagerly wait, For cheese, carrots, or something great. With sharp, tiny teeth, I shred and bequeath, A pile of savory fate.

I don’t come in the way you expect. I slip in from behind, quiet and sure. And when that won’t work, I come up from underneath instead.

I make wallets cry and bags feel proud. I start with ‘just one thing’ and end with receipts longer than a saint’s patience. I’m not exercise, but I can make you tired. What am I?

This Pokemon can lose without acting, and win without attacking. It’s immune to what it once feared, and vulnerable to what it once resisted. It’s created by removing something vital, yet it only exists if that thing existed first. What is it?