(slang) A highly coveted vagina or by extension a desirable woman
2003, Amy Wallace, Sorcerer's apprentice: my life with Carlos Castaneda, page 156If you want to be the most orgasmic creature in all the universe, I'll make you into a superpussy!
2007, Roland S. Jefferson, One Night Stand: A Novel, page 172A woman believing she has a 'superpussy,' so strong that it'll pull the husband away from the wife.
2009, Jamie Alden, Kept, page 56Angela and her superpussy are so special