Sopping wet fanny is an insult to be bestowed upon an Alderley Edge homie, acting in a particularly girly or stupidic way
"Shoop, you sopping wet fanny"
Adamantly, in reply to a stupid question, or an act of total stupidity, basically representing a 'no' or 'shoop': "I'll smoke your sopping wet fanny"
by BrynD September 26, 2006
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