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15.
Adapted from the term "fanny". Can mean female or male genitals according to your choice. For female - it is the feminine adoption from 'penis' to 'panny'. For male - it is the masculine adoption from 'fanny' to 'panny'. 'Nough said!!
Lara says: "My panny's all sore and brused after last night honey!"

or

Stuart says: "Suck my panny, bitch!"
by Christ-un-stunce May 07, 2003