Top Definition
When a girl friend's underwear become krusted with sweet love nectar from doing strenuous amounts of pilates.

A nickname for a dirty slut who doesn't cleanse her vaginal area nearly as often as she should.
What's the large clump in your underwear? Oh, it's just a Krustaceon!

Krustaceon was too busy lifting her legs high in the air while doing pilates to bother to rinse out her snatch.

by Ayeisha Muhammad July 15, 2008
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