1 definition by MysticX401

Top Definition
The semi-hard state of a penis between a boner and a frightened turtle. Named for the ceramics term to describe a state of clay when it begins to harden. Popularized by Adam Carolla.
When a man takes nude photos, he should get himself to leather state to avoid looking like he has an inch worm.
by MysticX401 March 08, 2011

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