Deriving from the full term "Jakes Penis", Jakespeen refers to the measurement of 4 inches. A revolution to the world of measurement. Can be abbreviated as JP.

1 JP = 4 inches
"The news this morning said we are expected to get almost 3 jakespeen of snow this weekend."

"I went to the doctor yesterday and he said I'm 17.5 jp tall!" - someone 5 foot 10
by Highfashionmmmmmm January 11, 2018
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