Naturally occuring in shopping malls, tractor pulls, fireworks celebrations and your local Cinnabun; a moosemouth is when a double-fupa results in a horizontal indentation in the area of the lower abdomen. Depth of valley between the fupae can range from slight (barely visible line) to indeterminable. Most visible in stretch pants, though in rare occasions can be witnessed under denim.
by Kendizzel April 05, 2011
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