Top Definition
a.k.a. "Juicy Poop Shooter" - Term typically used to describe the buttocks of a curvaceous woman. May also be broken down into subcategories to further describe the type of buttocks observed. The following subcategories have been developed and defined:

D Series - as in "dirty" or unappealing. Looks like it could use a good washing and scrubbing.
P Series - as in "plump" or voluptuous.
S Series - as in "sloppy" or lacking tone or firmness.
"Yo! Did you see that chick's JPS unit? It was definitely a part of the P series!!"

or

"Man! I would really like to hit that! She has got a serious JPS unit!"
by donlapalma November 23, 2009
4 Words related to JPS Unit

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