JPIS

An acronym for Just Pretned Its Shaved.

Used when justifying sleeping with a hairy bitch

the JPI ( jacket potato index) is a rarely used and even more rarely understood metric by which consumer prices are measured in low income areas. by comparing the price of jacket potatoes in various outlets and also comparing the prices to previous years and across different geographical regions. This is a strict metric, prices have to be compared on a specific product, a jacket potato + 1 filling, or Jacket potato with butter and cheese.