A female bollock-bulge.

See also beetle-bonnet and monkey's chin
"Wow! Wouldn't mind rubbing my mits on that fanny-clam."
by Marko The Great August 26, 2004
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When you haven’t had sex with your Wife/girlfriend for some time, and it’s almost like her fanny has clammed over due to lack of use.
“Have you got a clammed fanny or something, it’s been like 4 weeks since we last had sex “
by Jimbo6679 April 27, 2023
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