dribbling clam 

A sopping wet vagina, as wet as an otters pocket due to arousal. Not to be confused with venereal discharge.

After seeing Mary's dribbling clam, Rupert realised no extra lubrication was required.

dribbling clam by Loopydave January 17, 2011

clam dabbling

A euphemism for female on female sexual contact. Notably used in a Religious context to circumvent the use of "lesbian".

Those clam dabbling lesbians, like Portia de Rossi, are going to end up in the depths of hell.

clam dabbling by Talim Gregor March 29, 2009