Definitions by Andres 1

Jungle Muffins 

A woman's breasts
It is commonly used in the abbreviated version, "J-Muffs."

Guy 1: "That girl has great Jungle Muffins."
Guy 2: "Yes, her breasts are exquisite, and prominently displayed."

Jungle Muffins by Andres 1 August 11, 2008