1 definition by Hannah Breu.

Top Definition
The most beautiful part of the human body. The crease that is created by the outward extension of the pelvic bone on either side of the lower abdominal area. Usually a result of excessive stomach muscle-building. Widely worshipped by Sherpas in the Himalayas, the creasnis is thought of as a sacred temple in the body that should be respected and well-taken-care-of.
He has a creasnis of generous size, we should roast him on a spit.

My, what a small creasnis you have, have you tried doing some crunches?
by Hannah Breu. July 11, 2006

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