J.P.S.

Stands for "Jiggly Pig Slut", typically a teenage caucasian female who is slightly overweight, sporting tight, revealing clothing that squeezes out the fat from the top of her jeans.
"Look how defiantly that J.P.S. is chewing her gum"
by James LaSalle July 09, 2005
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J.P.S.

J.P.S. noun; abbreviation for Just Plain Shit, a shorthand
way of indicating things are not going well, particularly in an environment where being too blunt might be hazardous to ones employment or perhaps a significant relationship
We looked at the blueprints, then remeasured the proscenium, and we all agreed that the architect's rendering was J.P.S.
by Mark W. Schlemmer January 13, 2006
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J.P.S.

Jeep Positioning System

(otherwise know as a compass)
-"Hey, Jon, where are we now?"
-"Hold on just a sec while I check my J.P.S."
by wwhitte October 28, 2010
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