Top Definition
N. A congenital, often hereditary skin disease marked by dry, thickened, scaly skin. Also called fishskin disease. This disease is very rare, and has no current cure, only treatments.

See Harlequin Fetus.
A friend I know has a certain form of ichthyosis, and the other kids call him "Fishskin."
by Jimmithy October 21, 2004

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