The origin of this word came from the mind of the Chung's. It could be used as a noun, or an adjective. There are multiple meanings to this word.
1.weird, nuts, out of your mind.
2.butt, ass
3.William Chung
1.I can't believeyou did that, you are so peegou.
2.Your outrageous idea is very peegouish.
3.You are so dumb, you are acting like peegou.
Monica went to the restroom because she needed to go pee. Once she started to urinate, a little bit of poop began to come out simultaneously. She didn't even realize she had to poop...she ended up peeooping.