Now that u mention it. Humans have to poop/pee once in a while ,and pieck is said to be in her titan form for months so i wonder how things works out for her :)
Honestly the idea of stopping the rumbling by creating a large enough surface of really low friction ground isn't awful. Because the Titans would keep falling and tripping over each other for a long time. Then they would be sitting ducks for bombs and artillery
Spoilers It's basically what Hange did at the port. She killed at least 9 titans on screen by making them trip over the ones in front of them. Sadly this barely dents the numbers. There isn't enough experienced ODM gear users to make all the titans domino like that.
@Jair Silva it's in ymir's back story some pigs escaped and from there it escalated quickly but to keep it short so it's like you put a fork in a toaster burn the toaster in a oven flush it down the toilet break the toilet somehow get a piece of the toaster eat it shit it out into the mouth of a blue whale make the blue whale shit cut off its pp tie it on the shit then throw it unto a windmill
For those who says "Why doesn't the titan just get back up?" Remember the lyric "If I lose it all, slip and fall I WILL NEVER LOOK AWAY" and thus the titan never looked away from the ground.
