1. A Mad Crazy big bad fighting dude from Ancient America. He was a leader of a great Army and died by the hand of Coriantumr.

2. This word has since turned into a slang term used widely among the LDS population as a replacement for another 4 letter word starting with Sh as well.
1. "And it came to pass that after he had smitten off the head of Shiz, that Shiz raised up on his hands and and fell; and after that he had struggled for breath, he died."

2. "Oh Shiz, I just fetched this thing all up!"
by MAC June 12, 2003
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How 2 say shit without it getting censored
Aww shiz my phone is about to die
by Radioactivian April 9, 2019
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Shiz is the word used instead of shit when someone doesn't wanna swear.

But there's another definition which makes way more sense.

So shiz is when you shit and jizz at the same time.

So you're on the toilet jacking off, and u feel the need to shit, so you're shitting and at the same time while you're shitting u get an orgasm and jizz. so that's what's called shizzing.
Guy 1: Bro omg yesterday I was shizzing for the first time, It felt so fucking damn good
Guy 2: wtf is shizzing?
Guy 1: What you seriously don't know? It's when you shit and jizz at the same time.
Guy 2: Is that even possible wtf?
Guy 1: yeah duhhh it feels sooo good
by thottyS January 26, 2019
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Shiz is a substitute word for S. H. I. T.
Girl : going to get some chips
Corner : Hue hue hue I dOnT tHiNk So
Girl : ( hits toe on corner ) Shiz!!
by PastelHariot November 11, 2020
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The problem child of cheese whiz and shit. To express ones negative emotions on a Christian Minecraft server.
Oh, shiz Britney Spears is still alive?! Shiz, bruh, you eat vegetables?!
by LadyGagaHasMyBag August 7, 2018
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