1.
Noun:

A box (cardboard or storage bins) used to put our stuff/prized possesions/collectables/valuables in. Poo box can be big or small depending on how much stuff you have. You can one or several of them of any size.
Person 1: I have a lot of little stuff. I need a poo box for it. I also have more stuff in my closet that needs to be put away neatly. I don't wanna lose any of this stuff. I think I need to go to Target and get some poo boxes from the home storage isle.
by yogafire September 25, 2011
 
2.
a slang frase used for descrbing a woman's/man's ass!!!
did you see the size of that poo box that just walked by...
by Jd Haynes July 29, 2008

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