1. When a female dog takes a shit in front of you.

2. Also can be subsituted when you see a crackwhore, or a prostitute take a shit in the alley.
GUY: "Daym, look at that bitch poo."
BILL: "That's a big piece of poo!"
by Andrew May 7, 2004
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The person who uses a public restroom directly after you do. Sinking in the bouquet of rancid odors you had left behind for him.
I didn't realize my poo bitch was dancing around waiting for me to finish dropping hammer until I got out of the stall.
by Pierre Duegles September 28, 2018
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The name given to the followers of the original Poo Bitch, Mr. Darcy.
Wow man! that poof is a total Poo Bitch
by scubadupty August 21, 2010
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