Define Shat Meaning

And lo, he was shat upon, and he did weep for his misfortune.

I fear I have shat my pants, due to an excess of pheasant!

{Two guys at a local ice hockey rink}
(Guy 1): Where's Donald?

(Guy 2): He called me on his cell a little while ago. Said that he douched out on the ice on the way here and shat himself, and that he had to run home and change his pants because he didn't want to smell like shit.

{From a phoney-bologna Christmas song I came up with in late-2011}
...Then how the reindeer hated him,
As they shat themselves with fear (again!)
Rudolph the fucking reindeer,
Have a real fucked-up new year!!!

oh shit! i shat myself!!

After I got off of the roller coaster, I realized that I shat myself.

When the bear roared, I immediately shat in my pants.

When he said "Fuck" in class, the teacher shat all over him.

I asked him to shit in the toilet, but instead he shat on the floor.

He shat on the floor.

Person 1: "Last night I shat at my girlfriend's house."
Person 2: "Nice!!! How big was it?!"
Person 1: "Bigger than the average poop, it hurt a little, but not quite as much as being sanduskitized

I only shat once since drinking that saltwater concoction