To have the shits and be sick at the same time with no control of bodily functions.
My holiday belly is not to clever. I think I need a poo-spew.

I think I've got food poisoning, I poo-spewed everywhere
by Yummer1980 May 17, 2016
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When toilet water spews up and nails the crack of your ass.
10 point splash from a mighty ass bomb.
I sat on the toilet trying squeeze out a big shit, when it let loose and hit the water causing a poo spew. The water came back up and hit me in the chocolate star fish, lifting me off my seat.
by Doodie KaKa July 6, 2006
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It's when you have a sloop wet shit and bits of organic matter are visible and describable.
Catherine made a spew poo and looked into the bowl and forget she ate corn lat night.
by AdolfStalinKhanMalema October 10, 2015
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When a person uncontrollably vomits and shits simultaneously.
"Oi James! I heard Andrew pulled a ' Poo Spew ' last night at Beth's 18th!!"
by Hazpot August 12, 2016
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