Top Definition
A congenital deformity in which the buttocks can open up like the shells of a clam, with anus inside as a clam would be inside clamshells.
He dropped his shorts and then made everyone in the locker-room pass out from the sight of his clamshell anus.
av wiginpen 15. februar 2004

Gratis daglig nyhetsbrev

Skriv din epost-adresse under og motta dagens Urban Word of the Day, gratis!

Alle eposter sendes fra daily@urbandictionary.com. Vi lover å ikke spamme.

×